30969730 has 32 divisors (see below), whose sum is σ = 63462528. Its totient is φ = 10771200.

The previous prime is 30969727. The next prime is 30969737. The reversal of 30969730 is 3796903.

It is a self number, because there is not a number n which added to its sum of digits gives 30969730.

It is not an unprimeable number, because it can be changed into a prime (30969737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591 + ... + 8650.

It is an arithmetic number, because the mean of its divisors is an integer number (1983204).

Almost surely, 2^30969730 is an apocalyptic number.

30969730 is an abundant number, since it is smaller than the sum of its proper divisors (32492798).

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

30969730 is a wasteful number, since it uses less digits than its factorization.

30969730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12282.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 30969730 is about 5565.0453726812. The cubic root of 30969730 is about 314.0357850679.

The spelling of 30969730 in words is "thirty million, nine hundred sixty-nine thousand, seven hundred thirty".