70123564 has 12 divisors (see below), whose sum is σ = 140247184. Its totient is φ = 30052944.

The previous prime is 70123553. The next prime is 70123567. The reversal of 70123564 is 46532107.

70123564 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 2504413 = 70123564 / (7 + 0 + 1 + 2 + 3 + 5 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (70123567) 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, 1252179 + ... + 1252234.

Almost surely, 2^70123564 is an apocalyptic number.

It is an amenable number.

70123564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70123564 is a wasteful number, since it uses less digits than its factorization.

70123564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504424 (or 2504422 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70123564 is about 8373.9813708892. The cubic root of 70123564 is about 412.3708838628.

The spelling of 70123564 in words is "seventy million, one hundred twenty-three thousand, five hundred sixty-four".