74874940 has 36 divisors (see below), whose sum is σ = 182911176. Its totient is φ = 25671072.

The previous prime is 74874937. The next prime is 74874977. The reversal of 74874940 is 4947847.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37222 + ... + 39181.

It is an arithmetic number, because the mean of its divisors is an integer number (5080866).

Almost surely, 2^74874940 is an apocalyptic number.

74874940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74874940 is an abundant number, since it is smaller than the sum of its proper divisors (108036236).

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

74874940 is a wasteful number, since it uses less digits than its factorization.

74874940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76426 (or 76417 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 74874940 is about 8653.0306829457. The cubic root of 74874940 is about 421.4818029365.

The spelling of 74874940 in words is "seventy-four million, eight hundred seventy-four thousand, nine hundred forty".