745706464607547 has 48 divisors (see below), whose sum is σ = 1099543795411776. Its totient is φ = 486926899200000.

The previous prime is 745706464607519. The next prime is 745706464607593.

745706464607547 is a `hidden beast` number, since 7 + 4 + 5 + 7 + 0 + 6 + 4 + 6 + 4 + 607 + 5 + 4 + 7 = 666.

745706464607547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 745706464607547 - 2⁶ = 745706464607483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745706464607147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21807963 + ... + 44350875.

It is an arithmetic number, because the mean of its divisors is an integer number (22907162404412).

Almost surely, 2^{745706464607547} is an apocalyptic number.

745706464607547 is a deficient number, since it is larger than the sum of its proper divisors (353837330804229).

745706464607547 is a wasteful number, since it uses less digits than its factorization.

745706464607547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22543412 (or 22543409 counting only the distinct ones).

The product of its (nonzero) digits is 3319142400, while the sum is 72.

The spelling of 745706464607547 in words is "seven hundred forty-five trillion, seven hundred six billion, four hundred sixty-four million, six hundred seven thousand, five hundred forty-seven".