91743448 has 8 divisors (see below), whose sum is σ = 172018980. Its totient is φ = 45871720.

The previous prime is 91743427. The next prime is 91743479. The reversal of 91743448 is 84434719.

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

It is a self number, because there is not a number n which added to its sum of digits gives 91743448.

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, 5733958 + ... + 5733973.

Almost surely, 2^91743448 is an apocalyptic number.

It is an amenable number.

91743448 is a deficient number, since it is larger than the sum of its proper divisors (80275532).

91743448 is a wasteful number, since it uses less digits than its factorization.

91743448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467937 (or 11467933 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 91743448 is about 9578.2800126119. The cubic root of 91743448 is about 451.0157270045.

The spelling of 91743448 in words is "ninety-one million, seven hundred forty-three thousand, four hundred forty-eight".