42056772 has 48 divisors (see below), whose sum is σ = 101243520. Its totient is φ = 13581568.

The previous prime is 42056767. The next prime is 42056783. The reversal of 42056772 is 27765024.

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, 56233 + ... + 56975.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 2^42056772 is an apocalyptic number.

It is an amenable number.

42056772 is an abundant number, since it is smaller than the sum of its proper divisors (59186748).

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

42056772 is a wasteful number, since it uses less digits than its factorization.

42056772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 42056772 is about 6485.1192741537. The cubic root of 42056772 is about 347.7592138023.

The spelling of 42056772 in words is "forty-two million, fifty-six thousand, seven hundred seventy-two".