70685564 has 12 divisors (see below), whose sum is σ = 123832464. Its totient is φ = 35304864.

The previous prime is 70685543. The next prime is 70685569. The reversal of 70685564 is 46558607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70685569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (10319372).

Almost surely, 2^70685564 is an apocalyptic number.

It is an amenable number.

70685564 is a deficient number, since it is larger than the sum of its proper divisors (53146900).

70685564 is a wasteful number, since it uses less digits than its factorization.

70685564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18964 (or 18962 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 70685564 is about 8407.4707254917. The cubic root of 70685564 is about 413.4695923174.

The spelling of 70685564 in words is "seventy million, six hundred eighty-five thousand, five hundred sixty-four".