30907332 has 30 divisors (see below), whose sum is σ = 80798718. Its totient is φ = 10302336.

The previous prime is 30907307. The next prime is 30907339. The reversal of 30907332 is 23370903.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 171396 = 5544^2 + 414^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30907296 and 30907305.

It is not an unprimeable number, because it can be changed into a prime (30907339) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47373 + ... + 48020.

Almost surely, 2^30907332 is an apocalyptic number.

It is an amenable number.

30907332 is an abundant number, since it is smaller than the sum of its proper divisors (49891386).

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

30907332 is a wasteful number, since it uses less digits than its factorization.

30907332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95409 (or 95398 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 30907332 is about 5559.4363023602. The cubic root of 30907332 is about 313.8247361948.

The spelling of 30907332 in words is "thirty million, nine hundred seven thousand, three hundred thirty-two".