69157964 has 12 divisors (see below), whose sum is σ = 126288624. Its totient is φ = 33075504.

The previous prime is 69157919. The next prime is 69157981. The reversal of 69157964 is 46975196.

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 3 ways as a sum of consecutive naturals, for example, 375767 + ... + 375950.

It is an arithmetic number, because the mean of its divisors is an integer number (10524052).

Almost surely, 2^69157964 is an apocalyptic number.

It is an amenable number.

69157964 is a deficient number, since it is larger than the sum of its proper divisors (57130660).

69157964 is a wasteful number, since it uses less digits than its factorization.

69157964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751744 (or 751742 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 69157964 is about 8316.1267426609. The cubic root of 69157964 is about 410.4693494769.

The spelling of 69157964 in words is "sixty-nine million, one hundred fifty-seven thousand, nine hundred sixty-four".