91692242 has 4 divisors (see below), whose sum is σ = 137538366. Its totient is φ = 45846120.

The previous prime is 91692241. The next prime is 91692269. The reversal of 91692242 is 24229619.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61011721 + 30680521 = 7811^2 + 5539^2 .

It is not an unprimeable number, because it can be changed into a prime (91692241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22923059 + ... + 22923062.

Almost surely, 2^91692242 is an apocalyptic number.

91692242 is a deficient number, since it is larger than the sum of its proper divisors (45846124).

91692242 is a wasteful number, since it uses less digits than its factorization.

91692242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45846123.

The product of its digits is 15552, while the sum is 35.

The square root of 91692242 is about 9575.6066126382. The cubic root of 91692242 is about 450.9318009045.

It can be divided in two parts, 9169 and 2242, that added together give a palindrome (11411).

The spelling of 91692242 in words is "ninety-one million, six hundred ninety-two thousand, two hundred forty-two".