74360630274121 has 3 divisors (see below), whose sum is σ = 74360638897383. Its totient is φ = 74360621650860.

The previous prime is 74360630274083. The next prime is 74360630274127. The reversal of 74360630274121 is 12147203606347.

It is a happy number.

The square root of 74360630274121 is 8623261.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 36783485073721 + 37577145200400 = 6064939^2 + 6130020^2 .

It is not a de Polignac number, because 74360630274121 - 2²³ = 74360621885513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74360630274127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4311631 + ... + 12934891.

It is an arithmetic number, because the mean of its divisors is an integer number (24786879632461).

Almost surely, 2^{74360630274121} is an apocalyptic number.

74360630274121 is the 8623261-st square number.

74360630274121 is the 4311631-st centered octagonal number.

It is an amenable number.

74360630274121 is a deficient number, since it is larger than the sum of its proper divisors (8623262).

74360630274121 is an frugal number, since it uses more digits than its factorization.

74360630274121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17246522 (or 8623261 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 74360630274121 in words is "seventy-four trillion, three hundred sixty billion, six hundred thirty million, two hundred seventy-four thousand, one hundred twenty-one".