76231643 has 2 divisors, whose sum is σ = 76231644. Its totient is φ = 76231642.

The previous prime is 76231619. The next prime is 76231693. The reversal of 76231643 is 34613267.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76231643 - 2⁶ = 76231579 is a prime.

It is a super-2 number, since 2×76231643² = 11622526788958898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76231613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38115821 + 38115822.

It is an arithmetic number, because the mean of its divisors is an integer number (38115822).

Almost surely, 2^76231643 is an apocalyptic number.

76231643 is a deficient number, since it is larger than the sum of its proper divisors (1).

76231643 is an equidigital number, since it uses as much as digits as its factorization.

76231643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 76231643 is about 8731.0734162530. The cubic root of 76231643 is about 424.0122723249.

The spelling of 76231643 in words is "seventy-six million, two hundred thirty-one thousand, six hundred forty-three".