70564516 has 24 divisors (see below), whose sum is σ = 135311904. Its totient is φ = 31932480.

The previous prime is 70564477. The next prime is 70564547. The reversal of 70564516 is 61546507.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6811 + ... + 13693.

It is an arithmetic number, because the mean of its divisors is an integer number (5637996).

Almost surely, 2^70564516 is an apocalyptic number.

It is an amenable number.

70564516 is a deficient number, since it is larger than the sum of its proper divisors (64747388).

70564516 is a wasteful number, since it uses less digits than its factorization.

70564516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131 (or 7129 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 70564516 is about 8400.2688052228. The cubic root of 70564516 is about 413.2334372415.

Subtracting from 70564516 its reverse (61546507), we obtain a square (9018009 = 3003²).

The spelling of 70564516 in words is "seventy million, five hundred sixty-four thousand, five hundred sixteen".