74951940 has 96 divisors (see below), whose sum is σ = 250306560. Its totient is φ = 16384896.

The previous prime is 74951923. The next prime is 74951953. The reversal of 74951940 is 4915947.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5781 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (2607360).

Almost surely, 2^74951940 is an apocalyptic number.

74951940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74951940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125153280).

74951940 is an abundant number, since it is smaller than the sum of its proper divisors (175354620).

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

74951940 is a wasteful number, since it uses less digits than its factorization.

74951940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801 (or 7799 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 74951940 is about 8657.4788477940. The cubic root of 74951940 is about 421.6262347946.

The spelling of 74951940 in words is "seventy-four million, nine hundred fifty-one thousand, nine hundred forty".