74650231 has 2 divisors, whose sum is σ = 74650232. Its totient is φ = 74650230.

The previous prime is 74650189. The next prime is 74650237. The reversal of 74650231 is 13205647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74650231 - 2¹⁵ = 74617463 is a prime.

It is a super-2 number, since 2×74650231² = 11145313976706722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74650231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74650237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37325115 + 37325116.

It is an arithmetic number, because the mean of its divisors is an integer number (37325116).

Almost surely, 2^74650231 is an apocalyptic number.

74650231 is a deficient number, since it is larger than the sum of its proper divisors (1).

74650231 is an equidigital number, since it uses as much as digits as its factorization.

74650231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 74650231 is about 8640.0365161265. The cubic root of 74650231 is about 421.0597406774.

Adding to 74650231 its reverse (13205647), we get a palindrome (87855878).

The spelling of 74650231 in words is "seventy-four million, six hundred fifty thousand, two hundred thirty-one".