70356816 has 160 divisors (see below), whose sum is σ = 215819520. Its totient is φ = 21897216.

The previous prime is 70356809. The next prime is 70356821. The reversal of 70356816 is 61865307.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725280 + ... + 725376.

It is an arithmetic number, because the mean of its divisors is an integer number (1348872).

Almost surely, 2^70356816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70356816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107909760).

70356816 is an abundant number, since it is smaller than the sum of its proper divisors (145462704).

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

70356816 is a wasteful number, since it uses less digits than its factorization.

70356816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70356816 is about 8387.8969950757. The cubic root of 70356816 is about 412.8276009127.

The spelling of 70356816 in words is "seventy million, three hundred fifty-six thousand, eight hundred sixteen".