74497493 has 6 divisors (see below), whose sum is σ = 86660406. Its totient is φ = 63854952.

The previous prime is 74497487. The next prime is 74497513. The reversal of 74497493 is 39479447.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 7879249 = 8162^2 + 2807^2 .

It is not a de Polignac number, because 74497493 - 2⁴ = 74497477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74497403) 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, 760130 + ... + 760227.

It is an arithmetic number, because the mean of its divisors is an integer number (14443401).

Almost surely, 2^74497493 is an apocalyptic number.

It is an amenable number.

74497493 is a deficient number, since it is larger than the sum of its proper divisors (12162913).

74497493 is a wasteful number, since it uses less digits than its factorization.

74497493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520371 (or 1520364 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 74497493 is about 8631.1930229836. The cubic root of 74497493 is about 420.7723750370.

The spelling of 74497493 in words is "seventy-four million, four hundred ninety-seven thousand, four hundred ninety-three".