745752668615 has 16 divisors (see below), whose sum is σ = 910631559168. Its totient is φ = 586163066016.

The previous prime is 745752668597. The next prime is 745752668621. The reversal of 745752668615 is 516866257547.

745752668615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 745752668615 - 2¹² = 745752664519 is a prime.

It is a super-2 number, since 2×745752668615² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2777867 + ... + 3034476.

It is an arithmetic number, because the mean of its divisors is an integer number (56914472448).

Almost surely, 2^745752668615 is an apocalyptic number.

745752668615 is a deficient number, since it is larger than the sum of its proper divisors (164878890553).

745752668615 is a wasteful number, since it uses less digits than its factorization.

745752668615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812798.

The product of its digits is 84672000, while the sum is 62.

The spelling of 745752668615 in words is "seven hundred forty-five billion, seven hundred fifty-two million, six hundred sixty-eight thousand, six hundred fifteen".