7297029072 has 80 divisors (see below), whose sum is σ = 21105226560. Its totient is φ = 2413756800.

The previous prime is 7297029067. The next prime is 7297029101. The reversal of 7297029072 is 2709207927.

7297029072 is a `hidden beast` number, since 7 + 297 + 0 + 290 + 72 = 666.

It is a super-2 number, since 2×7297029072² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7879 + ... + 121062.

It is an arithmetic number, because the mean of its divisors is an integer number (263815332).

Almost surely, 2^7297029072 is an apocalyptic number.

7297029072 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 7297029072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10552613280).

7297029072 is an abundant number, since it is smaller than the sum of its proper divisors (13808197488).

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

7297029072 is a wasteful number, since it uses less digits than its factorization.

7297029072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129089 (or 129077 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 7297029072 is about 85422.6496428201. The cubic root of 7297029072 is about 1939.6142174051.

The spelling of 7297029072 in words is "seven billion, two hundred ninety-seven million, twenty-nine thousand, seventy-two".