70694816 has 12 divisors (see below), whose sum is σ = 139180482. Its totient is φ = 35347392.

The previous prime is 70694807. The next prime is 70694821. The reversal of 70694816 is 61849607.

It can be written as a sum of positive squares in only one way, i.e., 70627216 + 67600 = 8404^2 + 260^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1104575 + ... + 1104638.

Almost surely, 2^70694816 is an apocalyptic number.

It is an amenable number.

70694816 is a deficient number, since it is larger than the sum of its proper divisors (68485666).

70694816 is a wasteful number, since it uses less digits than its factorization.

70694816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209223 (or 2209215 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 70694816 is about 8408.0209324192. The cubic root of 70694816 is about 413.4876311434.

The spelling of 70694816 in words is "seventy million, six hundred ninety-four thousand, eight hundred sixteen".