74905343372 has 12 divisors (see below), whose sum is σ = 131175455040. Its totient is φ = 37426641936.

The previous prime is 74905343371. The next prime is 74905343377. The reversal of 74905343372 is 27334350947.

It is a super-2 number, since 2×74905343372² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74905343371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6500963 + ... + 6512474.

It is an arithmetic number, because the mean of its divisors is an integer number (10931287920).

Almost surely, 2^74905343372 is an apocalyptic number.

It is an amenable number.

74905343372 is a deficient number, since it is larger than the sum of its proper divisors (56270111668).

74905343372 is a wasteful number, since it uses less digits than its factorization.

74905343372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014880 (or 13014878 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 74905343372 in words is "seventy-four billion, nine hundred five million, three hundred forty-three thousand, three hundred seventy-two".