745637013 has 12 divisors (see below), whose sum is σ = 1174943328. Its totient is φ = 451901160.

The previous prime is 745637003. The next prime is 745637027. The reversal of 745637013 is 310736547.

745637013 is a `hidden beast` number, since 7 + 4 + 5 + 637 + 0 + 13 = 666.

It is not a de Polignac number, because 745637013 - 2⁵ = 745636981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745637003) 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 11 ways as a sum of consecutive naturals, for example, 3765745 + ... + 3765942.

It is an arithmetic number, because the mean of its divisors is an integer number (97911944).

Almost surely, 2^745637013 is an apocalyptic number.

It is an amenable number.

745637013 is a deficient number, since it is larger than the sum of its proper divisors (429306315).

745637013 is a wasteful number, since it uses less digits than its factorization.

745637013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531704 (or 7531701 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 745637013 is about 27306.3548098240. The cubic root of 745637013 is about 906.7950749113.

The spelling of 745637013 in words is "seven hundred forty-five million, six hundred thirty-seven thousand, thirteen".