91476240 has 80 divisors (see below), whose sum is σ = 284499648. Its totient is φ = 24314368.

The previous prime is 91476223. The next prime is 91476263. The reversal of 91476240 is 4267419.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134782 + ... + 135458.

Almost surely, 2^91476240 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 91476240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142249824).

91476240 is an abundant number, since it is smaller than the sum of its proper divisors (193023408).

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

91476240 is a wasteful number, since it uses less digits than its factorization.

91476240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 91476240 is about 9564.3211991233. The cubic root of 91476240 is about 450.5774315732.

The spelling of 91476240 in words is "ninety-one million, four hundred seventy-six thousand, two hundred forty".