74894167723 has 2 divisors, whose sum is σ = 74894167724. Its totient is φ = 74894167722.

The previous prime is 74894167721. The next prime is 74894167727. The reversal of 74894167723 is 32776149847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74894167723 - 2¹ = 74894167721 is a prime.

Together with 74894167721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74894167721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37447083861 + 37447083862.

It is an arithmetic number, because the mean of its divisors is an integer number (37447083862).

Almost surely, 2^74894167723 is an apocalyptic number.

74894167723 is a deficient number, since it is larger than the sum of its proper divisors (1).

74894167723 is an equidigital number, since it uses as much as digits as its factorization.

74894167723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 58.

The spelling of 74894167723 in words is "seventy-four billion, eight hundred ninety-four million, one hundred sixty-seven thousand, seven hundred twenty-three".