42712646 has 16 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 20143368.

The previous prime is 42712639. The next prime is 42712667. The reversal of 42712646 is 64621724.

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, 6731 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^42712646 is an apocalyptic number.

42712646 is a deficient number, since it is larger than the sum of its proper divisors (25024954).

42712646 is a wasteful number, since it uses less digits than its factorization.

42712646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963.

The product of its digits is 16128, while the sum is 32.

The square root of 42712646 is about 6535.4912592704. The cubic root of 42712646 is about 349.5576616058.

The spelling of 42712646 in words is "forty-two million, seven hundred twelve thousand, six hundred forty-six".