74461831 has 2 divisors, whose sum is σ = 74461832. Its totient is φ = 74461830.

The previous prime is 74461801. The next prime is 74461837. The reversal of 74461831 is 13816447.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74461831 - 2⁵ = 74461799 is a prime.

It is a super-2 number, since 2×74461831² = 11089128551745122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74461837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37230915 + 37230916.

It is an arithmetic number, because the mean of its divisors is an integer number (37230916).

Almost surely, 2^74461831 is an apocalyptic number.

74461831 is a deficient number, since it is larger than the sum of its proper divisors (1).

74461831 is an equidigital number, since it uses as much as digits as its factorization.

74461831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 74461831 is about 8629.1268967376. The cubic root of 74461831 is about 420.7052229810.

The spelling of 74461831 in words is "seventy-four million, four hundred sixty-one thousand, eight hundred thirty-one".