42474564 has 48 divisors (see below), whose sum is σ = 120133440. Its totient is φ = 12870720.

The previous prime is 42474559. The next prime is 42474569. The reversal of 42474564 is 46547424.

42474564 is a `hidden beast` number, since 4 + 24 + 74 + 564 = 666.

It is an interprime number because it is at equal distance from previous prime (42474559) and next prime (42474569).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42474569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16689 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (2502780).

Almost surely, 2^42474564 is an apocalyptic number.

42474564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42474564 is an abundant number, since it is smaller than the sum of its proper divisors (77658876).

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

42474564 is a wasteful number, since it uses less digits than its factorization.

42474564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35777 (or 35769 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 42474564 is about 6517.2512610763. The cubic root of 42474564 is about 348.9069683038.

The spelling of 42474564 in words is "forty-two million, four hundred seventy-four thousand, five hundred sixty-four".