74530827072 has 84 divisors (see below), whose sum is σ = 230062194180. Its totient is φ = 22932559872.

The previous prime is 74530826989. The next prime is 74530827097. The reversal of 74530827072 is 27072803547.

74530827072 is a `hidden beast` number, since 7 + 4 + 5 + 308 + 270 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10286827776 + 64243999296 = 101424^2 + 253464^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4969197 + ... + 4984172.

It is an arithmetic number, because the mean of its divisors is an integer number (2738835645).

Almost surely, 2^74530827072 is an apocalyptic number.

74530827072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74530827072 is an abundant number, since it is smaller than the sum of its proper divisors (155531367108).

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

74530827072 is a wasteful number, since it uses less digits than its factorization.

74530827072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953400 (or 9953387 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 74530827072 in words is "seventy-four billion, five hundred thirty million, eight hundred twenty-seven thousand, seventy-two".