42997974 has 12 divisors (see below), whose sum is σ = 86028084. Its totient is φ = 14327304.

The previous prime is 42997967. The next prime is 42998047. The reversal of 42997974 is 47979924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14724 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (7169007).

Almost surely, 2^42997974 is an apocalyptic number.

42997974 is an abundant number, since it is smaller than the sum of its proper divisors (43030110).

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

42997974 is an frugal number, since it uses more digits than its factorization.

42997974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359 (or 2682 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 42997974 is about 6557.2840414306. The cubic root of 42997974 is about 350.3343037162.

The spelling of 42997974 in words is "forty-two million, nine hundred ninety-seven thousand, nine hundred seventy-four".