152720969 has 8 divisors (see below), whose sum is σ = 156690720. Its totient is φ = 148797376.

The previous prime is 152720963. The next prime is 152720987. The reversal of 152720969 is 969027251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152720969 - 2¹² = 152716873 is a prime.

It is a super-2 number, since 2×152720969² = 46647388744597922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152720963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787 + ... + 18120.

It is an arithmetic number, because the mean of its divisors is an integer number (19586340).

Almost surely, 2^152720969 is an apocalyptic number.

It is an amenable number.

152720969 is a deficient number, since it is larger than the sum of its proper divisors (3969751).

152720969 is a wasteful number, since it uses less digits than its factorization.

152720969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23079.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 152720969 is about 12358.0325699522. The cubic root of 152720969 is about 534.5227863831.

The spelling of 152720969 in words is "one hundred fifty-two million, seven hundred twenty thousand, nine hundred sixty-nine".