92742491 has 2 divisors, whose sum is σ = 92742492. Its totient is φ = 92742490.

The previous prime is 92742473. The next prime is 92742523. The reversal of 92742491 is 19424729.

It is a weak prime.

It is an emirp because it is prime and its reverse (19424729) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92742491 is a prime.

It is not a weakly prime, because it can be changed into another prime (92742431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46371245 + 46371246.

It is an arithmetic number, because the mean of its divisors is an integer number (46371246).

Almost surely, 2^92742491 is an apocalyptic number.

92742491 is a deficient number, since it is larger than the sum of its proper divisors (1).

92742491 is an equidigital number, since it uses as much as digits as its factorization.

92742491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 92742491 is about 9630.2902863829. The cubic root of 92742491 is about 452.6469366021.

The spelling of 92742491 in words is "ninety-two million, seven hundred forty-two thousand, four hundred ninety-one".