74552380 has 48 divisors (see below), whose sum is σ = 179536896. Its totient is φ = 25473600.

The previous prime is 74552353. The next prime is 74552381. The reversal of 74552380 is 8325547.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74552381) 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, 50655 + ... + 52105.

It is an arithmetic number, because the mean of its divisors is an integer number (3740352).

Almost surely, 2^74552380 is an apocalyptic number.

74552380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74552380 is an abundant number, since it is smaller than the sum of its proper divisors (104984516).

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

74552380 is a wasteful number, since it uses less digits than its factorization.

74552380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 74552380 is about 8634.3720095905. The cubic root of 74552380 is about 420.8756861817.

The spelling of 74552380 in words is "seventy-four million, five hundred fifty-two thousand, three hundred eighty".