74480687513 has 16 divisors (see below), whose sum is σ = 79281586176. Its totient is φ = 69859469520.

The previous prime is 74480687509. The next prime is 74480687537. The reversal of 74480687513 is 31578608447.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74480687513 - 2² = 74480687509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74480687563) 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, 98081 + ... + 398222.

It is an arithmetic number, because the mean of its divisors is an integer number (4955099136).

Almost surely, 2^74480687513 is an apocalyptic number.

It is an amenable number.

74480687513 is a deficient number, since it is larger than the sum of its proper divisors (4800898663).

74480687513 is a wasteful number, since it uses less digits than its factorization.

74480687513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496484.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 74480687513 in words is "seventy-four billion, four hundred eighty million, six hundred eighty-seven thousand, five hundred thirteen".