30132729 has 24 divisors (see below), whose sum is σ = 49244832. Its totient is φ = 18260640.

The previous prime is 30132709. The next prime is 30132743. The reversal of 30132729 is 92723103.

It is not a de Polignac number, because 30132729 - 2¹⁵ = 30099961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30132709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2964 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (2051868).

Almost surely, 2^30132729 is an apocalyptic number.

It is an amenable number.

30132729 is a deficient number, since it is larger than the sum of its proper divisors (19112103).

30132729 is a wasteful number, since it uses less digits than its factorization.

30132729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11299 (or 11287 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30132729 is about 5489.3286474759. The cubic root of 30132729 is about 311.1808207407.

The spelling of 30132729 in words is "thirty million, one hundred thirty-two thousand, seven hundred twenty-nine".