70647996 has 24 divisors (see below), whose sum is σ = 172013184. Its totient is φ = 22525360.

The previous prime is 70647991. The next prime is 70648021. The reversal of 70647996 is 69974607.

It is a super-2 number, since 2×70647996² = 9982278677632032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70647991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127710 + ... + 128261.

It is an arithmetic number, because the mean of its divisors is an integer number (7167216).

Almost surely, 2^70647996 is an apocalyptic number.

It is an amenable number.

70647996 is an abundant number, since it is smaller than the sum of its proper divisors (101365188).

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

70647996 is a wasteful number, since it uses less digits than its factorization.

70647996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256001 (or 255999 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 70647996 is about 8405.2362251159. The cubic root of 70647996 is about 413.3963289925.

The spelling of 70647996 in words is "seventy million, six hundred forty-seven thousand, nine hundred ninety-six".