74803974 has 16 divisors (see below), whose sum is σ = 170980608. Its totient is φ = 21372552.

The previous prime is 74803919. The next prime is 74803979. The reversal of 74803974 is 47930847.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1781047 = 74803974 / (7 + 4 + 8 + 0 + 3 + 9 + 7 + 4).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74803979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890482 + ... + 890565.

It is an arithmetic number, because the mean of its divisors is an integer number (10686288).

Almost surely, 2^74803974 is an apocalyptic number.

74803974 is an abundant number, since it is smaller than the sum of its proper divisors (96176634).

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

74803974 is a wasteful number, since it uses less digits than its factorization.

74803974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781059.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 74803974 is about 8648.9290666533. The cubic root of 74803974 is about 421.3486015727.

The spelling of 74803974 in words is "seventy-four million, eight hundred three thousand, nine hundred seventy-four".