74856373 has 4 divisors (see below), whose sum is σ = 74882860. Its totient is φ = 74829888.

The previous prime is 74856349. The next prime is 74856443. The reversal of 74856373 is 37365847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51022449 + 23833924 = 7143^2 + 4882^2 .

It is a cyclic number.

It is not a de Polignac number, because 74856373 - 2⁹ = 74855861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74856323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8418 + ... + 14851.

It is an arithmetic number, because the mean of its divisors is an integer number (18720715).

Almost surely, 2^74856373 is an apocalyptic number.

It is an amenable number.

74856373 is a deficient number, since it is larger than the sum of its proper divisors (26487).

74856373 is a wasteful number, since it uses less digits than its factorization.

74856373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26486.

The product of its digits is 423360, while the sum is 43.

The square root of 74856373 is about 8651.9577553291. The cubic root of 74856373 is about 421.4469612856.

It can be divided in two parts, 748 and 56373, that added together give a square (57121 = 239²).

The spelling of 74856373 in words is "seventy-four million, eight hundred fifty-six thousand, three hundred seventy-three".