74309461 has 6 divisors (see below), whose sum is σ = 76079670. Its totient is φ = 72579528.

The previous prime is 74309383. The next prime is 74309479. The reversal of 74309461 is 16490347.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41602500 + 32706961 = 6450^2 + 5719^2 .

It is not a de Polignac number, because 74309461 - 2²³ = 65920853 is a prime.

It is a super-2 number, since 2×74309461² = 11043791988221042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74309161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18246 + ... + 21943.

It is an arithmetic number, because the mean of its divisors is an integer number (12679945).

Almost surely, 2^74309461 is an apocalyptic number.

It is an amenable number.

74309461 is a deficient number, since it is larger than the sum of its proper divisors (1770209).

74309461 is an equidigital number, since it uses as much as digits as its factorization.

74309461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40275 (or 40232 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74309461 is about 8620.2935564863. The cubic root of 74309461 is about 420.4180663356.

The spelling of 74309461 in words is "seventy-four million, three hundred nine thousand, four hundred sixty-one".