74168372 has 6 divisors (see below), whose sum is σ = 129794658. Its totient is φ = 37084184.

The previous prime is 74168363. The next prime is 74168377. The reversal of 74168372 is 27386147.

74168372 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41036836 + 33131536 = 6406^2 + 5756^2 .

74168372 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74168377) 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 as a sum of consecutive naturals, namely, 9271043 + ... + 9271050.

It is an arithmetic number, because the mean of its divisors is an integer number (21632443).

Almost surely, 2^74168372 is an apocalyptic number.

It is an amenable number.

74168372 is a deficient number, since it is larger than the sum of its proper divisors (55626286).

74168372 is a wasteful number, since it uses less digits than its factorization.

74168372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18542097 (or 18542095 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 74168372 is about 8612.1061303261. The cubic root of 74168372 is about 420.1518196419.

The spelling of 74168372 in words is "seventy-four million, one hundred sixty-eight thousand, three hundred seventy-two".