28374078 has 16 divisors (see below), whose sum is σ = 57526416. Its totient is φ = 9328320.

The previous prime is 28374067. The next prime is 28374097. The reversal of 28374078 is 87047382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31953 + ... + 32828.

It is an arithmetic number, because the mean of its divisors is an integer number (3595401).

Almost surely, 2^28374078 is an apocalyptic number.

28374078 is an abundant number, since it is smaller than the sum of its proper divisors (29152338).

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

28374078 is a wasteful number, since it uses less digits than its factorization.

28374078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64859.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 28374078 is about 5326.7323942545. The cubic root of 28374078 is about 305.0052063968.

The spelling of 28374078 in words is "twenty-eight million, three hundred seventy-four thousand, seventy-eight".