74753940 has 48 divisors (see below), whose sum is σ = 209922048. Its totient is φ = 19876224.

The previous prime is 74753929. The next prime is 74753941. The reversal of 74753940 is 4935747.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74753941) 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 15 ways as a sum of consecutive naturals, for example, 21354 + ... + 24606.

It is an arithmetic number, because the mean of its divisors is an integer number (4373376).

Almost surely, 2^74753940 is an apocalyptic number.

It is an amenable number.

74753940 is an abundant number, since it is smaller than the sum of its proper divisors (135168108).

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

74753940 is a wasteful number, since it uses less digits than its factorization.

74753940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 74753940 is about 8646.0360859760. The cubic root of 74753940 is about 421.2546383919.

The spelling of 74753940 in words is "seventy-four million, seven hundred fifty-three thousand, nine hundred forty".