74869961712 has 80 divisors (see below), whose sum is σ = 238048097280. Its totient is φ = 19745922816.

The previous prime is 74869961701. The next prime is 74869961717. The reversal of 74869961712 is 21716996847.

It is a super-2 number, since 2×74869961712² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74869961717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8565912 + ... + 8574647.

It is an arithmetic number, because the mean of its divisors is an integer number (2975601216).

Almost surely, 2^74869961712 is an apocalyptic number.

It is an amenable number.

74869961712 is an abundant number, since it is smaller than the sum of its proper divisors (163178135568).

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

74869961712 is a wasteful number, since it uses less digits than its factorization.

74869961712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17140590 (or 17140584 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The spelling of 74869961712 in words is "seventy-four billion, eight hundred sixty-nine million, nine hundred sixty-one thousand, seven hundred twelve".