70331264 has 32 divisors (see below), whose sum is σ = 144952200. Its totient is φ = 33951232.

The previous prime is 70331257. The next prime is 70331267. The reversal of 70331264 is 46213307.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70331267) 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, 5762 + ... + 13185.

Almost surely, 2^70331264 is an apocalyptic number.

It is an amenable number.

70331264 is an abundant number, since it is smaller than the sum of its proper divisors (74620936).

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

70331264 is a wasteful number, since it uses less digits than its factorization.

70331264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18990 (or 18978 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 70331264 is about 8386.3737097747. The cubic root of 70331264 is about 412.7776183206. Note that the first 3 decimals are identical.

The spelling of 70331264 in words is "seventy million, three hundred thirty-one thousand, two hundred sixty-four".