42474051 has 20 divisors (see below), whose sum is σ = 63857992. Its totient is φ = 28133568.

The previous prime is 42474049. The next prime is 42474059. The reversal of 42474051 is 15047424.

It is not a de Polignac number, because 42474051 - 2¹ = 42474049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42474059) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11595 + ... + 14811.

Almost surely, 2^42474051 is an apocalyptic number.

42474051 is a deficient number, since it is larger than the sum of its proper divisors (21383941).

42474051 is a wasteful number, since it uses less digits than its factorization.

42474051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 42474051 is about 6517.2119038742. The cubic root of 42474051 is about 348.9055636200.

The spelling of 42474051 in words is "forty-two million, four hundred seventy-four thousand, fifty-one".