74726712016 has 80 divisors (see below), whose sum is σ = 161801215488. Its totient is φ = 33139209600.

The previous prime is 74726711977. The next prime is 74726712023. The reversal of 74726712016 is 61021762747.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7313151 + ... + 7323361.

Almost surely, 2^74726712016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74726712016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80900607744).

74726712016 is an abundant number, since it is smaller than the sum of its proper divisors (87074503472).

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

74726712016 is a wasteful number, since it uses less digits than its factorization.

74726712016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11240 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 74726712016 in words is "seventy-four billion, seven hundred twenty-six million, seven hundred twelve thousand, sixteen".