745263779 has 32 divisors (see below), whose sum is σ = 881193600. Its totient is φ = 624476160.

The previous prime is 745263767. The next prime is 745263787. The reversal of 745263779 is 977362547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745263779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745263709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528227 + ... + 529635.

It is an arithmetic number, because the mean of its divisors is an integer number (27537300).

Almost surely, 2^745263779 is an apocalyptic number.

745263779 is a deficient number, since it is larger than the sum of its proper divisors (135929821).

745263779 is a wasteful number, since it uses less digits than its factorization.

745263779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its digits is 2222640, while the sum is 50.

The square root of 745263779 is about 27299.5197576807. The cubic root of 745263779 is about 906.6437487148.

The spelling of 745263779 in words is "seven hundred forty-five million, two hundred sixty-three thousand, seven hundred seventy-nine".