745723482739 has 4 divisors (see below), whose sum is σ = 752963516656. Its totient is φ = 738483448824.

The previous prime is 745723482709. The next prime is 745723482767. The reversal of 745723482739 is 937284327547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937284327547 = 101 ⋅9280042847.

It is a cyclic number.

It is not a de Polignac number, because 745723482739 - 2³⁹ = 195967668851 is a prime.

It is a super-2 number, since 2×745723482739² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745723482709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620016804 + ... + 3620017009.

It is an arithmetic number, because the mean of its divisors is an integer number (188240879164).

Almost surely, 2^745723482739 is an apocalyptic number.

745723482739 is a deficient number, since it is larger than the sum of its proper divisors (7240033917).

745723482739 is a wasteful number, since it uses less digits than its factorization.

745723482739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240033916.

The product of its digits is 71124480, while the sum is 61.

The spelling of 745723482739 in words is "seven hundred forty-five billion, seven hundred twenty-three million, four hundred eighty-two thousand, seven hundred thirty-nine".