74851940 has 24 divisors (see below), whose sum is σ = 157784760. Its totient is φ = 29827328.

The previous prime is 74851939. The next prime is 74851967. The reversal of 74851940 is 4915847.

It can be written as a sum of positive squares in 4 ways, for example, as 1304164 + 73547776 = 1142^2 + 8576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74851894 and 74851903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (6574365).

Almost surely, 2^74851940 is an apocalyptic number.

It is an amenable number.

74851940 is an abundant number, since it is smaller than the sum of its proper divisors (82932820).

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

74851940 is a wasteful number, since it uses less digits than its factorization.

74851940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14191 (or 14189 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 74851940 is about 8651.7015667440. The cubic root of 74851940 is about 421.4386417478.

The spelling of 74851940 in words is "seventy-four million, eight hundred fifty-one thousand, nine hundred forty".