745376673547 has 16 divisors (see below), whose sum is σ = 833734871424. Its totient is φ = 660481576000.

The previous prime is 745376673533. The next prime is 745376673551.

It is a happy number.

745376673547 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 745376673547 - 2³⁹ = 195620859659 is a prime.

It is a super-2 number, since 2×745376673547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745376670547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265393 + ... + 1249474.

It is an arithmetic number, because the mean of its divisors is an integer number (52108429464).

Almost surely, 2^745376673547 is an apocalyptic number.

745376673547 is a deficient number, since it is larger than the sum of its proper divisors (88358197877).

745376673547 is a wasteful number, since it uses less digits than its factorization.

745376673547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516010.

The product of its digits is 311169600, while the sum is 64.

The spelling of 745376673547 in words is "seven hundred forty-five billion, three hundred seventy-six million, six hundred seventy-three thousand, five hundred forty-seven".