74372497 has 2 divisors, whose sum is σ = 74372498. Its totient is φ = 74372496.

The previous prime is 74372447. The next prime is 74372533. The reversal of 74372497 is 79427347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 23049601 = 7164^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 74372497 - 2⁷ = 74372369 is a prime.

It is not a weakly prime, because it can be changed into another prime (74372437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37186248 + 37186249.

It is an arithmetic number, because the mean of its divisors is an integer number (37186249).

Almost surely, 2^74372497 is an apocalyptic number.

It is an amenable number.

74372497 is a deficient number, since it is larger than the sum of its proper divisors (1).

74372497 is an equidigital number, since it uses as much as digits as its factorization.

74372497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 43.

The square root of 74372497 is about 8623.9490374190. The cubic root of 74372497 is about 420.5369116022.

The spelling of 74372497 in words is "seventy-four million, three hundred seventy-two thousand, four hundred ninety-seven".