91298752 has 14 divisors (see below), whose sum is σ = 181171088. Its totient is φ = 45649344.

The previous prime is 91298729. The next prime is 91298773. The reversal of 91298752 is 25789219.

It is a junction number, because it is equal to n+sod(n) for n = 91298699 and 91298708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713208 + ... + 713335.

It is an arithmetic number, because the mean of its divisors is an integer number (12940792).

Almost surely, 2^91298752 is an apocalyptic number.

It is an amenable number.

91298752 is a deficient number, since it is larger than the sum of its proper divisors (89872336).

91298752 is a wasteful number, since it uses less digits than its factorization.

91298752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426555 (or 1426545 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 91298752 is about 9555.0380428337. The cubic root of 91298752 is about 450.2858299314.

The spelling of 91298752 in words is "ninety-one million, two hundred ninety-eight thousand, seven hundred fifty-two".