91896722 has 8 divisors (see below), whose sum is σ = 138173772. Its totient is φ = 45838800.

The previous prime is 91896697. The next prime is 91896743. The reversal of 91896722 is 22769819.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91604041 + 292681 = 9571^2 + 541^2 .

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, 53729 + ... + 55412.

Almost surely, 2^91896722 is an apocalyptic number.

91896722 is a deficient number, since it is larger than the sum of its proper divisors (46277050).

91896722 is a wasteful number, since it uses less digits than its factorization.

91896722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109564.

The product of its digits is 108864, while the sum is 44.

The square root of 91896722 is about 9586.2777969345. The cubic root of 91896722 is about 451.2667550044.

The spelling of 91896722 in words is "ninety-one million, eight hundred ninety-six thousand, seven hundred twenty-two".