74256502271 has 16 divisors (see below), whose sum is σ = 91410935808. Its totient is φ = 58917196800.

The previous prime is 74256502253. The next prime is 74256502273. The reversal of 74256502271 is 17220565247.

It is a de Polignac number, because none of the positive numbers 2^k-74256502271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74256502273) 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, 7434050 + ... + 7444031.

It is an arithmetic number, because the mean of its divisors is an integer number (5713183488).

Almost surely, 2^74256502271 is an apocalyptic number.

74256502271 is a deficient number, since it is larger than the sum of its proper divisors (17154433537).

74256502271 is a wasteful number, since it uses less digits than its factorization.

74256502271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878142.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 74256502271 in words is "seventy-four billion, two hundred fifty-six million, five hundred two thousand, two hundred seventy-one".