74261493 has 6 divisors (see below), whose sum is σ = 107266614. Its totient is φ = 49507656.

The previous prime is 74261483. The next prime is 74261521. The reversal of 74261493 is 39416247.

It can be written as a sum of positive squares in only one way, i.e., 66292164 + 7969329 = 8142^2 + 2823^2 .

It is not a de Polignac number, because 74261493 - 2⁴ = 74261477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74261413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4125630 + ... + 4125647.

It is an arithmetic number, because the mean of its divisors is an integer number (17877769).

Almost surely, 2^74261493 is an apocalyptic number.

It is an amenable number.

74261493 is a deficient number, since it is larger than the sum of its proper divisors (33005121).

74261493 is a wasteful number, since it uses less digits than its factorization.

74261493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251283 (or 8251280 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 74261493 is about 8617.5108355023. The cubic root of 74261493 is about 420.3275845657.

The spelling of 74261493 in words is "seventy-four million, two hundred sixty-one thousand, four hundred ninety-three".