70572436 has 12 divisors (see below), whose sum is σ = 134729280. Its totient is φ = 32078360.

The previous prime is 70572433. The next prime is 70572449. The reversal of 70572436 is 63427507.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70572433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801916 + ... + 802003.

It is an arithmetic number, because the mean of its divisors is an integer number (11227440).

Almost surely, 2^70572436 is an apocalyptic number.

It is an amenable number.

70572436 is a deficient number, since it is larger than the sum of its proper divisors (64156844).

70572436 is a wasteful number, since it uses less digits than its factorization.

70572436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603934 (or 1603932 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 70572436 is about 8400.7402054819. The cubic root of 70572436 is about 413.2488967886.

Subtracting from 70572436 its reverse (63427507), we obtain a square (7144929 = 2673²).

The spelling of 70572436 in words is "seventy million, five hundred seventy-two thousand, four hundred thirty-six".