74844892416 has 216 divisors, whose sum is σ = 243916488480. Its totient is φ = 20258574336.

The previous prime is 74844892403. The next prime is 74844892483. The reversal of 74844892416 is 61429844847.

It is a super-2 number, since 2×74844892416² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662670 + ... + 767346.

Almost surely, 2^74844892416 is an apocalyptic number.

74844892416 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74844892416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121958244240).

74844892416 is an abundant number, since it is smaller than the sum of its proper divisors (169071596064).

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

74844892416 is a wasteful number, since it uses less digits than its factorization.

74844892416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104729 (or 104708 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The spelling of 74844892416 in words is "seventy-four billion, eight hundred forty-four million, eight hundred ninety-two thousand, four hundred sixteen".