66925942 has 16 divisors (see below), whose sum is σ = 107467200. Its totient is φ = 31163400.

The previous prime is 66925927. The next prime is 66925951. The reversal of 66925942 is 24952966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12684 + ... + 17167.

It is an arithmetic number, because the mean of its divisors is an integer number (6716700).

Almost surely, 2^66925942 is an apocalyptic number.

66925942 is a deficient number, since it is larger than the sum of its proper divisors (40541258).

66925942 is a wasteful number, since it uses less digits than its factorization.

66925942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29931.

The product of its digits is 233280, while the sum is 43.

The square root of 66925942 is about 8180.8277087346. The cubic root of 66925942 is about 406.0051080432.

The spelling of 66925942 in words is "sixty-six million, nine hundred twenty-five thousand, nine hundred forty-two".