745046885 has 16 divisors (see below), whose sum is σ = 984457152. Its totient is φ = 536784000.

The previous prime is 745046881. The next prime is 745046899. The reversal of 745046885 is 588640547.

It is not a de Polignac number, because 745046885 - 2² = 745046881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745046881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57416 + ... + 69185.

It is an arithmetic number, because the mean of its divisors is an integer number (61528572).

Almost surely, 2^745046885 is an apocalyptic number.

It is an amenable number.

745046885 is a deficient number, since it is larger than the sum of its proper divisors (239410267).

745046885 is a wasteful number, since it uses less digits than its factorization.

745046885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126724.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 745046885 is about 27295.5469811469. The cubic root of 745046885 is about 906.5557867187. Note that the first 3 decimals are identical.

The spelling of 745046885 in words is "seven hundred forty-five million, forty-six thousand, eight hundred eighty-five".