70551040 has 160 divisors (see below), whose sum is σ = 201129984. Its totient is φ = 23224320.

The previous prime is 70551031. The next prime is 70551043. The reversal of 70551040 is 4015507.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70551043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555457 + ... + 555583.

Almost surely, 2^70551040 is an apocalyptic number.

70551040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100564992).

70551040 is an abundant number, since it is smaller than the sum of its proper divisors (130578944).

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

70551040 is a wasteful number, since it uses less digits than its factorization.

70551040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70551040 is about 8399.4666497344. The cubic root of 70551040 is about 413.2071299289.

Adding to 70551040 its reverse (4015507), we get a palindrome (74566547).

The spelling of 70551040 in words is "seventy million, five hundred fifty-one thousand, forty".