428992074 has 48 divisors (see below), whose sum is σ = 1096542720. Its totient is φ = 118614240.

The previous prime is 428992049. The next prime is 428992087. The reversal of 428992074 is 470299824.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51009 + ... + 58820.

It is an arithmetic number, because the mean of its divisors is an integer number (22844640).

Almost surely, 2^428992074 is an apocalyptic number.

428992074 is an abundant number, since it is smaller than the sum of its proper divisors (667550646).

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

428992074 is a wasteful number, since it uses less digits than its factorization.

428992074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109875 (or 109872 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 428992074 is about 20712.1238408812. The cubic root of 428992074 is about 754.1940284501.

The spelling of 428992074 in words is "four hundred twenty-eight million, nine hundred ninety-two thousand, seventy-four".