91479712 has 12 divisors (see below), whose sum is σ = 180100746. Its totient is φ = 45739840.

The previous prime is 91479701. The next prime is 91479727. The reversal of 91479712 is 21797419.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 27415696 = 8004^2 + 5236^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429339 + ... + 1429402.

Almost surely, 2^91479712 is an apocalyptic number.

It is an amenable number.

91479712 is a deficient number, since it is larger than the sum of its proper divisors (88621034).

91479712 is a wasteful number, since it uses less digits than its factorization.

91479712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858751 (or 2858743 counting only the distinct ones).

The product of its digits is 31752, while the sum is 40.

The square root of 91479712 is about 9564.5027053162. The cubic root of 91479712 is about 450.5831320883.

The spelling of 91479712 in words is "ninety-one million, four hundred seventy-nine thousand, seven hundred twelve".