70562720 has 48 divisors (see below), whose sum is σ = 167355720. Its totient is φ = 28114944.

The previous prime is 70562717. The next prime is 70562729. The reversal of 70562720 is 2726507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11641744 + 58920976 = 3412^2 + 7676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70562729) 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 7 ways as a sum of consecutive naturals, for example, 49376 + ... + 50784.

Almost surely, 2^70562720 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 70562720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83677860).

70562720 is an abundant number, since it is smaller than the sum of its proper divisors (96793000).

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

70562720 is a wasteful number, since it uses less digits than its factorization.

70562720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70562720 is about 8400.1619032016. The cubic root of 70562720 is about 413.2299313550.

The spelling of 70562720 in words is "seventy million, five hundred sixty-two thousand, seven hundred twenty".