739006719025 has 27 divisors (see below), whose sum is σ = 967243549761. Its totient is φ = 560027407680.

The previous prime is 739006719013. The next prime is 739006719029. The reversal of 739006719025 is 520917600937.

The square root of 739006719025 is 859655.

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

It can be written as a sum of positive squares in 4 ways, for example, as 35146125729 + 703860593296 = 187473^2 + 838964^2 .

It is not a de Polignac number, because 739006719025 - 2⁷ = 739006718897 is a prime.

It is a super-2 number, since 2×739006719025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 739006719025.

It is not an unprimeable number, because it can be changed into a prime (739006719029) 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, 81662701 + ... + 81671749.

Almost surely, 2^739006719025 is an apocalyptic number.

739006719025 is the 859655-th square number.

739006719025 is the 429828-th centered octagonal number.

It is an amenable number.

739006719025 is a deficient number, since it is larger than the sum of its proper divisors (228236830736).

739006719025 is an frugal number, since it uses more digits than its factorization.

739006719025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 49.

Multiplying 739006719025 by its sum of digits (49), we get a square (36211329232225 = 6017585²).

The spelling of 739006719025 in words is "seven hundred thirty-nine billion, six million, seven hundred nineteen thousand, twenty-five".