74880513 has 6 divisors (see below), whose sum is σ = 108160754. Its totient is φ = 49920336.

The previous prime is 74880503. The next prime is 74880557. The reversal of 74880513 is 31508847.

It can be written as a sum of positive squares in only one way, i.e., 74857104 + 23409 = 8652^2 + 153^2 .

It is not a de Polignac number, because 74880513 - 2⁴ = 74880497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74880503) 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 5 ways as a sum of consecutive naturals, for example, 4160020 + ... + 4160037.

Almost surely, 2^74880513 is an apocalyptic number.

It is an amenable number.

74880513 is a deficient number, since it is larger than the sum of its proper divisors (33280241).

74880513 is a wasteful number, since it uses less digits than its factorization.

74880513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320063 (or 8320060 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 74880513 is about 8653.3527028545. The cubic root of 74880513 is about 421.4922597499.

The spelling of 74880513 in words is "seventy-four million, eight hundred eighty thousand, five hundred thirteen".