70407572 has 24 divisors (see below), whose sum is σ = 128739072. Its totient is φ = 33652800.

The previous prime is 70407539. The next prime is 70407581. The reversal of 70407572 is 27570407.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 6872 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (5364128).

Almost surely, 2^70407572 is an apocalyptic number.

It is an amenable number.

70407572 is a deficient number, since it is larger than the sum of its proper divisors (58331500).

70407572 is a wasteful number, since it uses less digits than its factorization.

70407572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 70407572 is about 8390.9219993991. The cubic root of 70407572 is about 412.9268494871.

Adding to 70407572 its reverse (27570407), we get a palindrome (97977979).

The spelling of 70407572 in words is "seventy million, four hundred seven thousand, five hundred seventy-two".