70257232 has 20 divisors (see below), whose sum is σ = 136568020. Its totient is φ = 35013888.

The previous prime is 70257221. The next prime is 70257241. The reversal of 70257232 is 23275207.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 69288976 = 984^2 + 8324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70257232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (6828401).

Almost surely, 2^70257232 is an apocalyptic number.

It is an amenable number.

70257232 is a deficient number, since it is larger than the sum of its proper divisors (66310788).

70257232 is a wasteful number, since it uses less digits than its factorization.

70257232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350 (or 14344 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 70257232 is about 8381.9587209673. The cubic root of 70257232 is about 412.6327350003.

The spelling of 70257232 in words is "seventy million, two hundred fifty-seven thousand, two hundred thirty-two".