70660534 has 32 divisors (see below), whose sum is σ = 128770560. Its totient is φ = 28387968.

The previous prime is 70660529. The next prime is 70660543. The reversal of 70660534 is 43506607.

It is a super-2 number, since 2×70660534² = 9985822130330312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70660496 and 70660505.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 85029 + ... + 85855.

It is an arithmetic number, because the mean of its divisors is an integer number (4024080).

Almost surely, 2^70660534 is an apocalyptic number.

70660534 is a deficient number, since it is larger than the sum of its proper divisors (58110026).

70660534 is a wasteful number, since it uses less digits than its factorization.

70660534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 70660534 is about 8405.9820366213. The cubic root of 70660534 is about 413.4207828901.

The spelling of 70660534 in words is "seventy million, six hundred sixty thousand, five hundred thirty-four".