91412842 has 16 divisors (see below), whose sum is σ = 145417032. Its totient is φ = 42949120.

The previous prime is 91412807. The next prime is 91412851. The reversal of 91412842 is 24821419.

It can be written as a sum of positive squares in 4 ways, for example, as 74839801 + 16573041 = 8651^2 + 4071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24108 + ... + 27640.

Almost surely, 2^91412842 is an apocalyptic number.

91412842 is a deficient number, since it is larger than the sum of its proper divisors (54004190).

91412842 is a wasteful number, since it uses less digits than its factorization.

91412842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its digits is 4608, while the sum is 31.

The square root of 91412842 is about 9561.0063277879. The cubic root of 91412842 is about 450.4733159772.

The spelling of 91412842 in words is "ninety-one million, four hundred twelve thousand, eight hundred forty-two".