69661064 has 32 divisors (see below), whose sum is σ = 144914400. Its totient is φ = 31125120.

The previous prime is 69661021. The next prime is 69661093. The reversal of 69661064 is 46016696.

It is a super-2 number, since 2×69661064² = 9705327675224192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (4528575).

Almost surely, 2^69661064 is an apocalyptic number.

It is an amenable number.

69661064 is an abundant number, since it is smaller than the sum of its proper divisors (75253336).

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

69661064 is a wasteful number, since it uses less digits than its factorization.

69661064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493 (or 13489 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 69661064 is about 8346.3203868531. The cubic root of 69661064 is about 411.4622859185.

The spelling of 69661064 in words is "sixty-nine million, six hundred sixty-one thousand, sixty-four".