91742325 has 12 divisors (see below), whose sum is σ = 151680768. Its totient is φ = 48929200.

The previous prime is 91742323. The next prime is 91742359. The reversal of 91742325 is 52324719.

It is not a de Polignac number, because 91742325 - 2¹ = 91742323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91742323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611541 + ... + 611690.

It is an arithmetic number, because the mean of its divisors is an integer number (12640064).

Almost surely, 2^91742325 is an apocalyptic number.

It is an amenable number.

91742325 is a deficient number, since it is larger than the sum of its proper divisors (59938443).

91742325 is a wasteful number, since it uses less digits than its factorization.

91742325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223244 (or 1223239 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 91742325 is about 9578.2213902165. The cubic root of 91742325 is about 451.0138867542.

The spelling of 91742325 in words is "ninety-one million, seven hundred forty-two thousand, three hundred twenty-five".