74386902744 has 480 divisors, whose sum is σ = 267484971600. Its totient is φ = 19096197120.

The previous prime is 74386902743. The next prime is 74386902761. The reversal of 74386902744 is 44720968347.

It is a super-2 number, since 2×74386902744² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74386902743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 31084012 + ... + 31086404.

Almost surely, 2^74386902744 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 74386902744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133742485800).

74386902744 is an abundant number, since it is smaller than the sum of its proper divisors (193098068856).

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

74386902744 is a wasteful number, since it uses less digits than its factorization.

74386902744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 74386902744 in words is "seventy-four billion, three hundred eighty-six million, nine hundred two thousand, seven hundred forty-four".