42691932 has 36 divisors (see below), whose sum is σ = 110835816. Its totient is φ = 13845600.

The previous prime is 42691919. The next prime is 42691951. The reversal of 42691932 is 23919624.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14694 + ... + 17357.

Almost surely, 2^42691932 is an apocalyptic number.

It is an amenable number.

42691932 is an abundant number, since it is smaller than the sum of its proper divisors (68143884).

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

42691932 is a wasteful number, since it uses less digits than its factorization.

42691932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32098 (or 32093 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 42691932 is about 6533.9063354168. The cubic root of 42691932 is about 349.5011451024.

The spelling of 42691932 in words is "forty-two million, six hundred ninety-one thousand, nine hundred thirty-two".