748485591 has 16 divisors (see below), whose sum is σ = 1141046784. Its totient is φ = 427519584.

The previous prime is 748485587. The next prime is 748485611. The reversal of 748485591 is 195584847.

It is not a de Polignac number, because 748485591 - 2² = 748485587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748485541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52366 + ... + 65108.

It is an arithmetic number, because the mean of its divisors is an integer number (71315424).

Almost surely, 2^748485591 is an apocalyptic number.

748485591 is a deficient number, since it is larger than the sum of its proper divisors (392561193).

748485591 is a wasteful number, since it uses less digits than its factorization.

748485591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15550.

The product of its digits is 1612800, while the sum is 51.

The square root of 748485591 is about 27358.4647047308. The cubic root of 748485591 is about 907.9483590696.

The spelling of 748485591 in words is "seven hundred forty-eight million, four hundred eighty-five thousand, five hundred ninety-one".