42872954 has 8 divisors (see below), whose sum is σ = 64371348. Its totient is φ = 21415840.

The previous prime is 42872953. The next prime is 42872957. The reversal of 42872954 is 45927824.

It can be written as a sum of positive squares in 2 ways, for example, as 40386025 + 2486929 = 6355^2 + 1577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42872954² = 3676180369372232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42872953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7577 + ... + 11964.

Almost surely, 2^42872954 is an apocalyptic number.

42872954 is a deficient number, since it is larger than the sum of its proper divisors (21498394).

42872954 is a wasteful number, since it uses less digits than its factorization.

42872954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640.

The product of its digits is 161280, while the sum is 41.

The square root of 42872954 is about 6547.7441917045. The cubic root of 42872954 is about 349.9944325645.

The spelling of 42872954 in words is "forty-two million, eight hundred seventy-two thousand, nine hundred fifty-four".