74531424500 has 192 divisors, whose sum is σ = 181913991168. Its totient is φ = 26490240000.

The previous prime is 74531424479. The next prime is 74531424511. The reversal of 74531424500 is 542413547.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42515624 + ... + 42517376.

It is an arithmetic number, because the mean of its divisors is an integer number (947468704).

Almost surely, 2^74531424500 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 74531424500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90956995584).

74531424500 is an abundant number, since it is smaller than the sum of its proper divisors (107382566668).

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

74531424500 is a wasteful number, since it uses less digits than its factorization.

74531424500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 74531424500 in words is "seventy-four billion, five hundred thirty-one million, four hundred twenty-four thousand, five hundred".