74903860 has 12 divisors (see below), whose sum is σ = 157298148. Its totient is φ = 29961536.

The previous prime is 74903831. The next prime is 74903861. The reversal of 74903860 is 6830947.

It can be written as a sum of positive squares in 2 ways, for example, as 30228004 + 44675856 = 5498^2 + 6684^2 .

It is a super-2 number, since 2×74903860² = 11221176485799200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74903861) 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, 1872577 + ... + 1872616.

It is an arithmetic number, because the mean of its divisors is an integer number (13108179).

Almost surely, 2^74903860 is an apocalyptic number.

It is an amenable number.

74903860 is an abundant number, since it is smaller than the sum of its proper divisors (82394288).

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

74903860 is a wasteful number, since it uses less digits than its factorization.

74903860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745202 (or 3745200 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74903860 is about 8654.7016124185. The cubic root of 74903860 is about 421.5360608976.

The spelling of 74903860 in words is "seventy-four million, nine hundred three thousand, eight hundred sixty".