74600231 has 2 divisors, whose sum is σ = 74600232. Its totient is φ = 74600230.

The previous prime is 74600179. The next prime is 74600257. The reversal of 74600231 is 13200647.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74600231 is a prime.

It is a super-2 number, since 2×74600231² = 11130388930506722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 74600197 and 74600206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74650231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37300115 + 37300116.

It is an arithmetic number, because the mean of its divisors is an integer number (37300116).

Almost surely, 2^74600231 is an apocalyptic number.

74600231 is a deficient number, since it is larger than the sum of its proper divisors (1).

74600231 is an equidigital number, since it uses as much as digits as its factorization.

74600231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 74600231 is about 8637.1425251642. The cubic root of 74600231 is about 420.9657124390.

Adding to 74600231 its reverse (13200647), we get a palindrome (87800878).

The spelling of 74600231 in words is "seventy-four million, six hundred thousand, two hundred thirty-one".