74560331 has 2 divisors, whose sum is σ = 74560332. Its totient is φ = 74560330.

The previous prime is 74560271. The next prime is 74560337. The reversal of 74560331 is 13306547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74560331 - 2⁶ = 74560267 is a prime.

It is a super-2 number, since 2×74560331² = 11118485917659122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74560294 and 74560303.

It is not a weakly prime, because it can be changed into another prime (74560337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37280165 + 37280166.

It is an arithmetic number, because the mean of its divisors is an integer number (37280166).

Almost surely, 2^74560331 is an apocalyptic number.

74560331 is a deficient number, since it is larger than the sum of its proper divisors (1).

74560331 is an equidigital number, since it uses as much as digits as its factorization.

74560331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 74560331 is about 8634.8324245465. The cubic root of 74560331 is about 420.8906477592.

Adding to 74560331 its reverse (13306547), we get a palindrome (87866878).

The spelling of 74560331 in words is "seventy-four million, five hundred sixty thousand, three hundred thirty-one".