427290690 has 32 divisors (see below), whose sum is σ = 1029018816. Its totient is φ = 113552960.

The previous prime is 427290683. The next prime is 427290707. The reversal of 427290690 is 96092724.

It is a super-2 number, since 2×427290690² = 365154667521352200, which contains 22 as substring.

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, 15516 + ... + 33095.

It is an arithmetic number, because the mean of its divisors is an integer number (32156838).

Almost surely, 2^427290690 is an apocalyptic number.

427290690 is an abundant number, since it is smaller than the sum of its proper divisors (601728126).

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

427290690 is a wasteful number, since it uses less digits than its factorization.

427290690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48914.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 427290690 is about 20671.0108606231. The cubic root of 427290690 is about 753.1956620969.

The spelling of 427290690 in words is "four hundred twenty-seven million, two hundred ninety thousand, six hundred ninety".