7157329272 has 24 divisors (see below), whose sum is σ = 19384433640. Its totient is φ = 2385776400.

The previous prime is 7157329271. The next prime is 7157329301. The reversal of 7157329272 is 2729237517.

7157329272 is a `hidden beast` number, since 7 + 1 + 57 + 329 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157329271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49703604 + ... + 49703747.

It is an arithmetic number, because the mean of its divisors is an integer number (807684735).

Almost surely, 2^7157329272 is an apocalyptic number.

7157329272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7157329272 is an abundant number, since it is smaller than the sum of its proper divisors (12227104368).

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

7157329272 is a wasteful number, since it uses less digits than its factorization.

7157329272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99407363 (or 99407356 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 7157329272 is about 84601.0004196168. Note that the first 3 decimals coincide. The cubic root of 7157329272 is about 1927.1565663664.

The spelling of 7157329272 in words is "seven billion, one hundred fifty-seven million, three hundred twenty-nine thousand, two hundred seventy-two".