70372864 has 20 divisors (see below), whose sum is σ = 140609304. Its totient is φ = 35186176.

The previous prime is 70372829. The next prime is 70372867. The reversal of 70372864 is 46827307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70372867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68212 + ... + 69235.

Almost surely, 2^70372864 is an apocalyptic number.

It is an amenable number.

70372864 is a deficient number, since it is larger than the sum of its proper divisors (70236440).

70372864 is an equidigital number, since it uses as much as digits as its factorization.

70372864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137465 (or 137449 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 70372864 is about 8388.8535569528. The cubic root of 70372864 is about 412.8589864229.

The spelling of 70372864 in words is "seventy million, three hundred seventy-two thousand, eight hundred sixty-four".