74201340168 has 40 divisors (see below), whose sum is σ = 207832459230. Its totient is φ = 24733779840.

The previous prime is 74201340139. The next prime is 74201340173. The reversal of 74201340168 is 86104310247.

It can be written as a sum of positive squares in only one way, i.e., 59478429924 + 14722910244 = 243882^2 + 121338^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57253473 + ... + 57254768.

Almost surely, 2^74201340168 is an apocalyptic number.

It is an amenable number.

74201340168 is an abundant number, since it is smaller than the sum of its proper divisors (133631119062).

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

74201340168 is a wasteful number, since it uses less digits than its factorization.

74201340168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114508259 (or 114508246 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 74201340168 in words is "seventy-four billion, two hundred one million, three hundred forty thousand, one hundred sixty-eight".