91695744 has 192 divisors, whose sum is σ = 307419840. Its totient is φ = 25694208.

The previous prime is 91695689. The next prime is 91695763. The reversal of 91695744 is 44759619.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 91695744.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669244 + ... + 669380.

It is an arithmetic number, because the mean of its divisors is an integer number (1601145).

Almost surely, 2^91695744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91695744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153709920).

91695744 is an abundant number, since it is smaller than the sum of its proper divisors (215724096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91695744 is a wasteful number, since it uses less digits than its factorization.

91695744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 232 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 91695744 is about 9575.7894713700. The cubic root of 91695744 is about 450.9375416413.

The spelling of 91695744 in words is "ninety-one million, six hundred ninety-five thousand, seven hundred forty-four".