74480813 has 8 divisors (see below), whose sum is σ = 81324000. Its totient is φ = 67649680.

The previous prime is 74480803. The next prime is 74480821. The reversal of 74480813 is 31808447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74480813 - 2⁸ = 74480557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74480803) 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, 14231 + ... + 18747.

It is an arithmetic number, because the mean of its divisors is an integer number (10165500).

Almost surely, 2^74480813 is an apocalyptic number.

It is an amenable number.

74480813 is a deficient number, since it is larger than the sum of its proper divisors (6843187).

74480813 is a wasteful number, since it uses less digits than its factorization.

74480813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 74480813 is about 8630.2267061764. The cubic root of 74480813 is about 420.7409690268.

The spelling of 74480813 in words is "seventy-four million, four hundred eighty thousand, eight hundred thirteen".