42792890 has 32 divisors (see below), whose sum is σ = 88318080. Its totient is φ = 14624064.

The previous prime is 42792881. The next prime is 42792901. The reversal of 42792890 is 9829724.

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, 25724 + ... + 27336.

It is an arithmetic number, because the mean of its divisors is an integer number (2759940).

Almost surely, 2^42792890 is an apocalyptic number.

42792890 is an abundant number, since it is smaller than the sum of its proper divisors (45525190).

42792890 is a wasteful number, since it uses less digits than its factorization.

42792890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 42792890 is about 6541.6274733433. The cubic root of 42792890 is about 349.7764286471.

The spelling of 42792890 in words is "forty-two million, seven hundred ninety-two thousand, eight hundred ninety".