70651120 has 80 divisors (see below), whose sum is σ = 176372640. Its totient is φ = 26237952.

The previous prime is 70651117. The next prime is 70651123. The reversal of 70651120 is 2115607.

It is an interprime number because it is at equal distance from previous prime (70651117) and next prime (70651123).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 70651091 and 70651100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70651123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80122 + ... + 80998.

It is an arithmetic number, because the mean of its divisors is an integer number (2204658).

Almost surely, 2^70651120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70651120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88186320).

70651120 is an abundant number, since it is smaller than the sum of its proper divisors (105721520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70651120 is a wasteful number, since it uses less digits than its factorization.

70651120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 70651120 is about 8405.4220595994. The cubic root of 70651120 is about 413.4024222585.

Adding to 70651120 its reverse (2115607), we get a palindrome (72766727).

The spelling of 70651120 in words is "seventy million, six hundred fifty-one thousand, one hundred twenty".