74672380 has 48 divisors (see below), whose sum is σ = 160312320. Its totient is φ = 29210688.

The previous prime is 74672293. The next prime is 74672383. The reversal of 74672380 is 8327647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74672383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263719 + ... + 264001.

It is an arithmetic number, because the mean of its divisors is an integer number (3339840).

Almost surely, 2^74672380 is an apocalyptic number.

It is an amenable number.

74672380 is an abundant number, since it is smaller than the sum of its proper divisors (85639940).

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

74672380 is a wasteful number, since it uses less digits than its factorization.

74672380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 74672380 is about 8641.3181864806. The cubic root of 74672380 is about 421.1013798876.

The spelling of 74672380 in words is "seventy-four million, six hundred seventy-two thousand, three hundred eighty".