74338455261 has 64 divisors (see below), whose sum is σ = 120886548480. Its totient is φ = 39738504960.

The previous prime is 74338455241. The next prime is 74338455277. The reversal of 74338455261 is 16255483347.

It is not a de Polignac number, because 74338455261 - 2⁵ = 74338455229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74338455261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74338455221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2474050 + ... + 2503916.

It is an arithmetic number, because the mean of its divisors is an integer number (1888852320).

Almost surely, 2^74338455261 is an apocalyptic number.

It is an amenable number.

74338455261 is a deficient number, since it is larger than the sum of its proper divisors (46548093219).

74338455261 is a wasteful number, since it uses less digits than its factorization.

74338455261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30034.

The product of its digits is 2419200, while the sum is 48.

The spelling of 74338455261 in words is "seventy-four billion, three hundred thirty-eight million, four hundred fifty-five thousand, two hundred sixty-one".