42051692 has 12 divisors (see below), whose sum is σ = 74797296. Its totient is φ = 20681040.

The previous prime is 42051689. The next prime is 42051697. The reversal of 42051692 is 29615024.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42051697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85928 + ... + 86415.

It is an arithmetic number, because the mean of its divisors is an integer number (6233108).

Almost surely, 2^42051692 is an apocalyptic number.

It is an amenable number.

42051692 is a deficient number, since it is larger than the sum of its proper divisors (32745604).

42051692 is a wasteful number, since it uses less digits than its factorization.

42051692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172408 (or 172406 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 42051692 is about 6484.7275964376. The cubic root of 42051692 is about 347.7452113967.

The spelling of 42051692 in words is "forty-two million, fifty-one thousand, six hundred ninety-two".