30829137 has 4 divisors (see below), whose sum is σ = 41105520. Its totient is φ = 20552756.

The previous prime is 30829129. The next prime is 30829157. The reversal of 30829137 is 73192803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30829137 - 2³ = 30829129 is a prime.

It is a super-3 number, since 3×30829137³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30829098 and 30829107.

It is not an unprimeable number, because it can be changed into a prime (30829157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5138187 + ... + 5138192.

It is an arithmetic number, because the mean of its divisors is an integer number (10276380).

Almost surely, 2^30829137 is an apocalyptic number.

It is an amenable number.

30829137 is a deficient number, since it is larger than the sum of its proper divisors (10276383).

30829137 is a wasteful number, since it uses less digits than its factorization.

30829137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276382.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 30829137 is about 5552.3992111519. The cubic root of 30829137 is about 313.5598556886.

The spelling of 30829137 in words is "thirty million, eight hundred twenty-nine thousand, one hundred thirty-seven".