64074742308 has 96 divisors (see below), whose sum is σ = 168709201920. Its totient is φ = 21026407680.

The previous prime is 64074742247. The next prime is 64074742327. The reversal of 64074742308 is 80324747046.

64074742308 is a `hidden beast` number, since 6 + 407 + 4 + 7 + 4 + 230 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4384093 + ... + 4398683.

It is an arithmetic number, because the mean of its divisors is an integer number (1757387520).

Almost surely, 2^64074742308 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 64074742308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84354600960).

64074742308 is an abundant number, since it is smaller than the sum of its proper divisors (104634459612).

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

64074742308 is a wasteful number, since it uses less digits than its factorization.

64074742308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234 (or 15226 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 64074742308 in words is "sixty-four billion, seventy-four million, seven hundred forty-two thousand, three hundred eight".