74949732000 has 1536 divisors, whose sum is σ = 336032686080. Its totient is φ = 15966720000.

The previous prime is 74949731999. The next prime is 74949732031. The reversal of 74949732000 is 23794947.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 355211895 + ... + 355212105.

It is an arithmetic number, because the mean of its divisors is an integer number (218771280).

Almost surely, 2^74949732000 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 74949732000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168016343040).

74949732000 is an abundant number, since it is smaller than the sum of its proper divisors (261082954080).

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

74949732000 is a wasteful number, since it uses less digits than its factorization.

74949732000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 74949732000 in words is "seventy-four billion, nine hundred forty-nine million, seven hundred thirty-two thousand".