30672700 has 18 divisors (see below), whose sum is σ = 66559976. Its totient is φ = 12269040.

The previous prime is 30672683. The next prime is 30672701. The reversal of 30672700 is 727603.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30672701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153264 + ... + 153463.

Almost surely, 2^30672700 is an apocalyptic number.

It is an amenable number.

30672700 is an abundant number, since it is smaller than the sum of its proper divisors (35887276).

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

30672700 is a wasteful number, since it uses less digits than its factorization.

30672700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306741 (or 306734 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30672700 is about 5538.2939611400. The cubic root of 30672700 is about 313.0285880655.

The spelling of 30672700 in words is "thirty million, six hundred seventy-two thousand, seven hundred".