745734437547 has 16 divisors (see below), whose sum is σ = 1085330631168. Its totient is φ = 451699434080.

The previous prime is 745734437543. The next prime is 745734437551.

745734437547 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (745734437543) and next prime (745734437551).

It is a cyclic number.

It is not a de Polignac number, because 745734437547 - 2² = 745734437543 is a prime.

It is a super-2 number, since 2×745734437547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745734437543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6462723 + ... + 6577100.

It is an arithmetic number, because the mean of its divisors is an integer number (67833164448).

Almost surely, 2^745734437547 is an apocalyptic number.

745734437547 is a deficient number, since it is larger than the sum of its proper divisors (339596193621).

745734437547 is a wasteful number, since it uses less digits than its factorization.

745734437547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041570.

The product of its digits is 138297600, while the sum is 60.

The spelling of 745734437547 in words is "seven hundred forty-five billion, seven hundred thirty-four million, four hundred thirty-seven thousand, five hundred forty-seven".