739601720001 has 27 divisors (see below), whose sum is σ = 1072394909859. Its totient is φ = 491191291152.

The previous prime is 739601719999. The next prime is 739601720041. The reversal of 739601720001 is 100027106937.

It is a happy number.

The square root of 739601720001 is 860001.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 172104671025 + 567497048976 = 414855^2 + 753324^2 .

It is not a de Polignac number, because 739601720001 - 2¹ = 739601719999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (739601720041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1132620991 + ... + 1132621643.

Almost surely, 2^739601720001 is an apocalyptic number.

739601720001 is the 860001-st square number.

739601720001 is the 430001-st centered octagonal number.

It is an amenable number.

739601720001 is a deficient number, since it is larger than the sum of its proper divisors (332793189858).

739601720001 is an frugal number, since it uses more digits than its factorization.

739601720001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

Multiplying 739601720001 by its sum of digits (36), we get a square (26625661920036 = 5160006²).

Adding to 739601720001 its reverse (100027106937), we get a palindrome (839628826938).

The spelling of 739601720001 in words is "seven hundred thirty-nine billion, six hundred one million, seven hundred twenty thousand, one".