70616564 has 12 divisors (see below), whose sum is σ = 125911044. Its totient is φ = 34641984.

The previous prime is 70616563. The next prime is 70616573. The reversal of 70616564 is 46561607.

It can be written as a sum of positive squares in 2 ways, for example, as 58644964 + 11971600 = 7658^2 + 3460^2 .

It is a super-2 number, since 2×70616564² = 9973398222332192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70616561) 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 3 ways as a sum of consecutive naturals, for example, 166337 + ... + 166760.

It is an arithmetic number, because the mean of its divisors is an integer number (10492587).

Almost surely, 2^70616564 is an apocalyptic number.

It is an amenable number.

70616564 is a deficient number, since it is larger than the sum of its proper divisors (55294480).

70616564 is a wasteful number, since it uses less digits than its factorization.

70616564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333154 (or 333152 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 70616564 is about 8403.3662302675. The cubic root of 70616564 is about 413.3350118443.

The spelling of 70616564 in words is "seventy million, six hundred sixteen thousand, five hundred sixty-four".