74051856 has 30 divisors (see below), whose sum is σ = 207242750. Its totient is φ = 24683904.

The previous prime is 74051851. The next prime is 74051869. The reversal of 74051856 is 65815047.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 2073600 = 8484^2 + 1440^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 74051856.

It is not an unprimeable number, because it can be changed into a prime (74051851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256981 + ... + 257268.

Almost surely, 2^74051856 is an apocalyptic number.

It is an amenable number.

74051856 is an abundant number, since it is smaller than the sum of its proper divisors (133190894).

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

74051856 is a wasteful number, since it uses less digits than its factorization.

74051856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514263 (or 514254 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 74051856 is about 8605.3388079726. The cubic root of 74051856 is about 419.9316895706.

It can be divided in two parts, 7405 and 1856, that added together give a cube (9261 = 21³).

The spelling of 74051856 in words is "seventy-four million, fifty-one thousand, eight hundred fifty-six".