74675946361 has 3 divisors (see below), whose sum is σ = 74676219631. Its totient is φ = 74675673092.

The previous prime is 74675946347. The next prime is 74675946383. The reversal of 74675946361 is 16364957647.

The square root of 74675946361 is 273269.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16364957647 = 197 ⋅83070851.

It can be written as a sum of positive squares in only one way, i.e., 40428742761 + 34247203600 = 201069^2 + 185060^2 .

It is not a de Polignac number, because 74675946361 - 2⁵ = 74675946329 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74675946296 and 74675946305.

It is not an unprimeable number, because it can be changed into a prime (74675946391) 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, 136635 + ... + 409903.

Almost surely, 2^74675946361 is an apocalyptic number.

74675946361 is the 273269-th square number.

74675946361 is the 136635-th centered octagonal number.

It is an amenable number.

74675946361 is a deficient number, since it is larger than the sum of its proper divisors (273270).

74675946361 is an frugal number, since it uses more digits than its factorization.

74675946361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546538 (or 273269 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 58.

The spelling of 74675946361 in words is "seventy-four billion, six hundred seventy-five million, nine hundred forty-six thousand, three hundred sixty-one".