745137782346 has 32 divisors (see below), whose sum is σ = 1512715944960. Its totient is φ = 244640165616.

The previous prime is 745137782339. The next prime is 745137782351. The reversal of 745137782346 is 643287731547.

It is an unprimeable number.

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, 3066405 + ... + 3300471.

It is an arithmetic number, because the mean of its divisors is an integer number (47272373280).

Almost surely, 2^745137782346 is an apocalyptic number.

745137782346 is an abundant number, since it is smaller than the sum of its proper divisors (767578162614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745137782346 is a wasteful number, since it uses less digits than its factorization.

745137782346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242058.

The product of its digits is 23708160, while the sum is 57.

The spelling of 745137782346 in words is "seven hundred forty-five billion, one hundred thirty-seven million, seven hundred eighty-two thousand, three hundred forty-six".