42472893 has 4 divisors (see below), whose sum is σ = 56630528. Its totient is φ = 28315260.

The previous prime is 42472879. The next prime is 42472967. The reversal of 42472893 is 39827424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42472893 - 2¹³ = 42464701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42472813) 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, 7078813 + ... + 7078818.

It is an arithmetic number, because the mean of its divisors is an integer number (14157632).

Almost surely, 2^42472893 is an apocalyptic number.

It is an amenable number.

42472893 is a deficient number, since it is larger than the sum of its proper divisors (14157635).

42472893 is a wasteful number, since it uses less digits than its factorization.

42472893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14157634.

The product of its digits is 96768, while the sum is 39.

The square root of 42472893 is about 6517.1230615970. The cubic root of 42472893 is about 348.9023927718.

It can be divided in two parts, 42472 and 893, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 42472893 in words is "forty-two million, four hundred seventy-two thousand, eight hundred ninety-three".