70634916 has 60 divisors (see below), whose sum is σ = 201450480. Its totient is φ = 21403440.

The previous prime is 70634911. The next prime is 70634933. The reversal of 70634916 is 61943607.

70634916 is a `hidden beast` number, since 7 + 0 + 634 + 9 + 16 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (70634911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6346 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (3357508).

Almost surely, 2^70634916 is an apocalyptic number.

It is an amenable number.

70634916 is an abundant number, since it is smaller than the sum of its proper divisors (130815564).

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

70634916 is a wasteful number, since it uses less digits than its factorization.

70634916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19846 (or 19835 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70634916 is about 8404.4581026976. The cubic root of 70634916 is about 413.3708149037.

The spelling of 70634916 in words is "seventy million, six hundred thirty-four thousand, nine hundred sixteen".