42474751 has 6 divisors (see below), whose sum is σ = 46687256. Its totient is φ = 38613300.

The previous prime is 42474739. The next prime is 42474781. The reversal of 42474751 is 15747424.

It is a happy number.

It is not a de Polignac number, because 42474751 - 2¹⁵ = 42441983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175395 + ... + 175636.

Almost surely, 2^42474751 is an apocalyptic number.

42474751 is a deficient number, since it is larger than the sum of its proper divisors (4212505).

42474751 is a wasteful number, since it uses less digits than its factorization.

42474751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351053 (or 351042 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 42474751 is about 6517.2656075996. The cubic root of 42474751 is about 348.9074803398.

It can be divided in two parts, 4247 and 4751, that added together give a palindrome (8998).

The spelling of 42474751 in words is "forty-two million, four hundred seventy-four thousand, seven hundred fifty-one".