42712534 has 16 divisors (see below), whose sum is σ = 70178400. Its totient is φ = 19406464.

The previous prime is 42712511. The next prime is 42712559. The reversal of 42712534 is 43521724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20674 + ... + 22645.

It is an arithmetic number, because the mean of its divisors is an integer number (4386150).

Almost surely, 2^42712534 is an apocalyptic number.

42712534 is a deficient number, since it is larger than the sum of its proper divisors (27465866).

42712534 is a wasteful number, since it uses less digits than its factorization.

42712534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43367.

The product of its digits is 6720, while the sum is 28.

The square root of 42712534 is about 6535.4826906664. The cubic root of 42712534 is about 349.5573560718.

The spelling of 42712534 in words is "forty-two million, seven hundred twelve thousand, five hundred thirty-four".