91480472 has 8 divisors (see below), whose sum is σ = 171525900. Its totient is φ = 45740232.

The previous prime is 91480469. The next prime is 91480489. The reversal of 91480472 is 27408419.

It is a tau number, because it is divible by the number of its divisors (8).

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, 5717522 + ... + 5717537.

Almost surely, 2^91480472 is an apocalyptic number.

It is an amenable number.

91480472 is a deficient number, since it is larger than the sum of its proper divisors (80045428).

91480472 is a wasteful number, since it uses less digits than its factorization.

91480472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435065 (or 11435061 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 91480472 is about 9564.5424354749. The cubic root of 91480472 is about 450.5843798776.

The spelling of 91480472 in words is "ninety-one million, four hundred eighty thousand, four hundred seventy-two".