42402774 has 32 divisors (see below), whose sum is σ = 87818976. Its totient is φ = 13639680.

The previous prime is 42402719. The next prime is 42402797. The reversal of 42402774 is 47720424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22974 + ... + 24750.

It is an arithmetic number, because the mean of its divisors is an integer number (2744343).

Almost surely, 2^42402774 is an apocalyptic number.

42402774 is an abundant number, since it is smaller than the sum of its proper divisors (45416202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42402774 is a wasteful number, since it uses less digits than its factorization.

42402774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 42402774 is about 6511.7412417878. The cubic root of 42402774 is about 348.7102846566.

The spelling of 42402774 in words is "forty-two million, four hundred two thousand, seven hundred seventy-four".