91082042 has 8 divisors (see below), whose sum is σ = 138269376. Its totient is φ = 44992252.

The previous prime is 91082021. The next prime is 91082051. The reversal of 91082042 is 24028019.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274178 + ... + 274509.

It is an arithmetic number, because the mean of its divisors is an integer number (17283672).

Almost surely, 2^91082042 is an apocalyptic number.

91082042 is a deficient number, since it is larger than the sum of its proper divisors (47187334).

91082042 is a wasteful number, since it uses less digits than its factorization.

91082042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548772.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 91082042 is about 9543.6912146192. The cubic root of 91082042 is about 449.9292761281.

The spelling of 91082042 in words is "ninety-one million, eighty-two thousand, forty-two".