66769432 has 16 divisors (see below), whose sum is σ = 125281800. Its totient is φ = 33360960.

The previous prime is 66769427. The next prime is 66769459. The reversal of 66769432 is 23496766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16419 + ... + 20077.

Almost surely, 2^66769432 is an apocalyptic number.

It is an amenable number.

66769432 is a deficient number, since it is larger than the sum of its proper divisors (58512368).

66769432 is a wasteful number, since it uses less digits than its factorization.

66769432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946 (or 5942 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 66769432 is about 8171.2564517337. The cubic root of 66769432 is about 405.6883725810.

The spelling of 66769432 in words is "sixty-six million, seven hundred sixty-nine thousand, four hundred thirty-two".