42738764 has 12 divisors (see below), whose sum is σ = 75909624. Its totient is φ = 21050304.

The previous prime is 42738757. The next prime is 42738781. The reversal of 42738764 is 46783724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79469 + ... + 80004.

It is an arithmetic number, because the mean of its divisors is an integer number (6325802).

Almost surely, 2^42738764 is an apocalyptic number.

It is an amenable number.

42738764 is a deficient number, since it is larger than the sum of its proper divisors (33170860).

42738764 is a wasteful number, since it uses less digits than its factorization.

42738764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159544 (or 159542 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 42738764 is about 6537.4891204498. The cubic root of 42738764 is about 349.6288964554.

The spelling of 42738764 in words is "forty-two million, seven hundred thirty-eight thousand, seven hundred sixty-four".