42933972 has 24 divisors (see below), whose sum is σ = 101449600. Its totient is φ = 14129856.

The previous prime is 42933971. The next prime is 42933973. The reversal of 42933972 is 27933924.

It is an interprime number because it is at equal distance from previous prime (42933971) and next prime (42933973).

It is a self number, because there is not a number n which added to its sum of digits gives 42933972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42933971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21697 + ... + 23592.

Almost surely, 2^42933972 is an apocalyptic number.

It is an amenable number.

42933972 is an abundant number, since it is smaller than the sum of its proper divisors (58515628).

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

42933972 is a wasteful number, since it uses less digits than its factorization.

42933972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45375 (or 45373 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 42933972 is about 6552.4020023195. The cubic root of 42933972 is about 350.1603945120.

Adding to 42933972 its sum of digits (39), we get a triangular number (42934011 = T₉₂₆₆).

The spelling of 42933972 in words is "forty-two million, nine hundred thirty-three thousand, nine hundred seventy-two".