709303867272 has 1728 divisors, whose sum is σ = 2884386960000. Its totient is φ = 155915020800.

The previous prime is 709303867213. The next prime is 709303867273. The reversal of 709303867272 is 272768303907.

709303867272 is a `hidden beast` number, since 7 + 0 + 9 + 303 + 8 + 67 + 272 = 666.

It is a super-2 number, since 2×709303867272² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709303867273) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 22880769897 + ... + 22880769927.

Almost surely, 2^709303867272 is an apocalyptic number.

709303867272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709303867272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442193480000).

709303867272 is an abundant number, since it is smaller than the sum of its proper divisors (2175083092728).

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

709303867272 is a wasteful number, since it uses less digits than its factorization.

709303867272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 709303867272 in words is "seven hundred nine billion, three hundred three million, eight hundred sixty-seven thousand, two hundred seventy-two".