74532680 has 32 divisors (see below), whose sum is σ = 173111040. Its totient is φ = 28850880.

The previous prime is 74532677. The next prime is 74532683. The reversal of 74532680 is 8623547.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74532677) and next prime (74532683).

It is a self number, because there is not a number n which added to its sum of digits gives 74532680.

It is not an unprimeable number, because it can be changed into a prime (74532683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28814 + ... + 31293.

It is an arithmetic number, because the mean of its divisors is an integer number (5409720).

Almost surely, 2^74532680 is an apocalyptic number.

It is an amenable number.

74532680 is an abundant number, since it is smaller than the sum of its proper divisors (98578360).

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

74532680 is a wasteful number, since it uses less digits than its factorization.

74532680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60149 (or 60145 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 74532680 is about 8633.2311448264. The cubic root of 74532680 is about 420.8386116603.

The spelling of 74532680 in words is "seventy-four million, five hundred thirty-two thousand, six hundred eighty".