42974351 has 16 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 34500480.

The previous prime is 42974311. The next prime is 42974357. The reversal of 42974351 is 15347924.

42974351 = T₄₇₈ + T₄₇₉ + ... + T₇₁₅.

It is not a de Polignac number, because 42974351 - 2¹⁰ = 42973327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42974357) 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, 27686 + ... + 29196.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^42974351 is an apocalyptic number.

42974351 is a deficient number, since it is larger than the sum of its proper divisors (9280369).

42974351 is a wasteful number, since it uses less digits than its factorization.

42974351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its digits is 30240, while the sum is 35.

The square root of 42974351 is about 6555.4825146590. The cubic root of 42974351 is about 350.2701343105.

The spelling of 42974351 in words is "forty-two million, nine hundred seventy-four thousand, three hundred fifty-one".