427290972 has 24 divisors (see below), whose sum is σ = 1009026816. Its totient is φ = 140713968.

The previous prime is 427290931. The next prime is 427290977. The reversal of 427290972 is 279092724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427290977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213508 + ... + 215499.

It is an arithmetic number, because the mean of its divisors is an integer number (42042784).

Almost surely, 2^427290972 is an apocalyptic number.

It is an amenable number.

427290972 is an abundant number, since it is smaller than the sum of its proper divisors (581735844).

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

427290972 is a wasteful number, since it uses less digits than its factorization.

427290972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429097 (or 429095 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 427290972 is about 20671.0176817688. The cubic root of 427290972 is about 753.1958277930.

The spelling of 427290972 in words is "four hundred twenty-seven million, two hundred ninety thousand, nine hundred seventy-two".