74347480 has 32 divisors (see below), whose sum is σ = 167554800. Its totient is φ = 29690496.

The previous prime is 74347439. The next prime is 74347489. The reversal of 74347480 is 8474347.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74347489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33031 + ... + 35209.

Almost surely, 2^74347480 is an apocalyptic number.

It is an amenable number.

74347480 is an abundant number, since it is smaller than the sum of its proper divisors (93207320).

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

74347480 is a wasteful number, since it uses less digits than its factorization.

74347480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 74347480 is about 8622.4984778195. The cubic root of 74347480 is about 420.4897537048.

The spelling of 74347480 in words is "seventy-four million, three hundred forty-seven thousand, four hundred eighty".