74395068520 has 32 divisors (see below), whose sum is σ = 172788549120. Its totient is φ = 28798090560.

The previous prime is 74395068509. The next prime is 74395068521. The reversal of 74395068520 is 2586059347.

It is not an unprimeable number, because it can be changed into a prime (74395068521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29996772 + ... + 29999251.

It is an arithmetic number, because the mean of its divisors is an integer number (5399642160).

Almost surely, 2^74395068520 is an apocalyptic number.

It is an amenable number.

74395068520 is an abundant number, since it is smaller than the sum of its proper divisors (98393480600).

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

74395068520 is a wasteful number, since it uses less digits than its factorization.

74395068520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59996065 (or 59996061 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 74395068520 in words is "seventy-four billion, three hundred ninety-five million, sixty-eight thousand, five hundred twenty".