745886481 has 16 divisors (see below), whose sum is σ = 1040866944. Its totient is φ = 474211584.

The previous prime is 745886431. The next prime is 745886489. The reversal of 745886481 is 184688547.

It is not a de Polignac number, because 745886481 - 2⁶ = 745886417 is a prime.

It is a super-2 number, since 2×745886481² = 1112693285077126722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745886489) 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, 7215 + ... + 39291.

It is an arithmetic number, because the mean of its divisors is an integer number (65054184).

Almost surely, 2^745886481 is an apocalyptic number.

It is an amenable number.

745886481 is a deficient number, since it is larger than the sum of its proper divisors (294980463).

745886481 is a wasteful number, since it uses less digits than its factorization.

745886481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440.

The product of its digits is 1720320, while the sum is 51.

The square root of 745886481 is about 27310.9223754893. The cubic root of 745886481 is about 906.8961925356.

It can be divided in two parts, 7458 and 86481, that added together give a palindrome (93939).

The spelling of 745886481 in words is "seven hundred forty-five million, eight hundred eighty-six thousand, four hundred eighty-one".