74367940 has 12 divisors (see below), whose sum is σ = 156172716. Its totient is φ = 29747168.

The previous prime is 74367929. The next prime is 74367949. The reversal of 74367940 is 4976347.

It can be written as a sum of positive squares in 2 ways, for example, as 22297284 + 52070656 = 4722^2 + 7216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74367893 and 74367902.

It is not an unprimeable number, because it can be changed into a prime (74367949) 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 in 3 ways as a sum of consecutive naturals, for example, 1859179 + ... + 1859218.

It is an arithmetic number, because the mean of its divisors is an integer number (13014393).

Almost surely, 2^74367940 is an apocalyptic number.

It is an amenable number.

74367940 is an abundant number, since it is smaller than the sum of its proper divisors (81804776).

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

74367940 is a wasteful number, since it uses less digits than its factorization.

74367940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718406 (or 3718404 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74367940 is about 8623.6848272650. The cubic root of 74367940 is about 420.5283222897.

It can be divided in two parts, 7436 and 7940, that added together give a square (15376 = 124²).

The spelling of 74367940 in words is "seventy-four million, three hundred sixty-seven thousand, nine hundred forty".