91347242 has 8 divisors (see below), whose sum is σ = 156595296. Its totient is φ = 39148812.

The previous prime is 91347229. The next prime is 91347247. The reversal of 91347242 is 24274319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 91347199 and 91347208.

It is not an unprimeable number, because it can be changed into a prime (91347247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262388 + ... + 3262415.

It is an arithmetic number, because the mean of its divisors is an integer number (19574412).

Almost surely, 2^91347242 is an apocalyptic number.

91347242 is a deficient number, since it is larger than the sum of its proper divisors (65248054).

91347242 is a wasteful number, since it uses less digits than its factorization.

91347242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524812.

The product of its digits is 12096, while the sum is 32.

The square root of 91347242 is about 9557.5751108741. The cubic root of 91347242 is about 450.3655334507.

The spelling of 91347242 in words is "ninety-one million, three hundred forty-seven thousand, two hundred forty-two".