74683480 has 32 divisors (see below), whose sum is σ = 170411040. Its totient is φ = 29451520.

The previous prime is 74683463. The next prime is 74683481. The reversal of 74683480 is 8438647.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74683481) 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, 10309 + ... + 15988.

It is an arithmetic number, because the mean of its divisors is an integer number (5325345).

Almost surely, 2^74683480 is an apocalyptic number.

It is an amenable number.

74683480 is an abundant number, since it is smaller than the sum of its proper divisors (95727560).

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

74683480 is a wasteful number, since it uses less digits than its factorization.

74683480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26379 (or 26375 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 74683480 is about 8641.9604257367. The cubic root of 74683480 is about 421.1222443346.

The spelling of 74683480 in words is "seventy-four million, six hundred eighty-three thousand, four hundred eighty".