70272356 has 48 divisors (see below), whose sum is σ = 162352512. Its totient is φ = 25766400.

The previous prime is 70272331. The next prime is 70272359. The reversal of 70272356 is 65327207.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70272359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (3382344).

Almost surely, 2^70272356 is an apocalyptic number.

It is an amenable number.

70272356 is an abundant number, since it is smaller than the sum of its proper divisors (92080156).

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

70272356 is a wasteful number, since it uses less digits than its factorization.

70272356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460 (or 13458 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 70272356 is about 8382.8608481830. The cubic root of 70272356 is about 412.6623414885.

The spelling of 70272356 in words is "seventy million, two hundred seventy-two thousand, three hundred fifty-six".