42417732 has 36 divisors (see below), whose sum is σ = 115135440. Its totient is φ = 12119184.

The previous prime is 42417701. The next prime is 42417757. The reversal of 42417732 is 23771424.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42417732.

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, 35482 + ... + 36657.

Almost surely, 2^42417732 is an apocalyptic number.

42417732 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42417732 is an abundant number, since it is smaller than the sum of its proper divisors (72717708).

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

42417732 is a wasteful number, since it uses less digits than its factorization.

42417732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72160 (or 72151 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 42417732 is about 6512.8896812398. The cubic root of 42417732 is about 348.7512835091.

The spelling of 42417732 in words is "forty-two million, four hundred seventeen thousand, seven hundred thirty-two".