30709132 has 6 divisors (see below), whose sum is σ = 53740988. Its totient is φ = 15354564.

The previous prime is 30709121. The next prime is 30709139. The reversal of 30709132 is 23190703.

It is a junction number, because it is equal to n+sod(n) for n = 30709097 and 30709106.

It is not an unprimeable number, because it can be changed into a prime (30709139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3838638 + ... + 3838645.

Almost surely, 2^30709132 is an apocalyptic number.

It is an amenable number.

30709132 is a deficient number, since it is larger than the sum of its proper divisors (23031856).

30709132 is a wasteful number, since it uses less digits than its factorization.

30709132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677287 (or 7677285 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30709132 is about 5541.5820845675. The cubic root of 30709132 is about 313.1524739672.

Adding to 30709132 its reverse (23190703), we get a palindrome (53899835).

The spelling of 30709132 in words is "thirty million, seven hundred nine thousand, one hundred thirty-two".