69640604 has 24 divisors (see below), whose sum is σ = 134940288. Its totient is φ = 31181040.

The previous prime is 69640583. The next prime is 69640621. The reversal of 69640604 is 40604696.

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

It is a congruent number.

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, 8864 + ... + 14759.

It is an arithmetic number, because the mean of its divisors is an integer number (5622512).

Almost surely, 2^69640604 is an apocalyptic number.

It is an amenable number.

69640604 is a deficient number, since it is larger than the sum of its proper divisors (65299684).

69640604 is a wasteful number, since it uses less digits than its factorization.

69640604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23705 (or 23703 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 69640604 is about 8345.0946070132. The cubic root of 69640604 is about 411.4219987422.

The spelling of 69640604 in words is "sixty-nine million, six hundred forty thousand, six hundred four".