74738211840 has 352 divisors, whose sum is σ = 271280885760. Its totient is φ = 19504447488.

The previous prime is 74738211799. The next prime is 74738211907. The reversal of 74738211840 is 4811283747.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6491529 + ... + 6503031.

Almost surely, 2^74738211840 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 74738211840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135640442880).

74738211840 is an abundant number, since it is smaller than the sum of its proper divisors (196542673920).

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

74738211840 is a wasteful number, since it uses less digits than its factorization.

74738211840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584 (or 11560 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 74738211840 in words is "seventy-four billion, seven hundred thirty-eight million, two hundred eleven thousand, eight hundred forty".