74123615416 has 32 divisors (see below), whose sum is σ = 141049848960. Its totient is φ = 36511506432.

The previous prime is 74123615411. The next prime is 74123615437. The reversal of 74123615416 is 61451632147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74123615411) 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, 430456 + ... + 577528.

It is an arithmetic number, because the mean of its divisors is an integer number (4407807780).

Almost surely, 2^74123615416 is an apocalyptic number.

It is an amenable number.

74123615416 is a deficient number, since it is larger than the sum of its proper divisors (66926233544).

74123615416 is a wasteful number, since it uses less digits than its factorization.

74123615416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148015 (or 148011 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 74123615416 in words is "seventy-four billion, one hundred twenty-three million, six hundred fifteen thousand, four hundred sixteen".