28474074 has 24 divisors (see below), whose sum is σ = 61873812. Its totient is φ = 9463680.

The previous prime is 28474013. The next prime is 28474087. The reversal of 28474074 is 47047482.

It can be written as a sum of positive squares in 2 ways, for example, as 25070049 + 3404025 = 5007^2 + 1845^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4594 + ... + 8834.

Almost surely, 2^28474074 is an apocalyptic number.

28474074 is an abundant number, since it is smaller than the sum of its proper divisors (33399738).

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

28474074 is a wasteful number, since it uses less digits than its factorization.

28474074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 28474074 is about 5336.1103811672. The cubic root of 28474074 is about 305.3630863607.

The spelling of 28474074 in words is "twenty-eight million, four hundred seventy-four thousand, seventy-four".