30671764 has 12 divisors (see below), whose sum is σ = 54177984. Its totient is φ = 15192344.

The previous prime is 30671761. The next prime is 30671801. The reversal of 30671764 is 46717603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30671761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35404 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (4514832).

Almost surely, 2^30671764 is an apocalyptic number.

It is an amenable number.

30671764 is a deficient number, since it is larger than the sum of its proper divisors (23506220).

30671764 is a wasteful number, since it uses less digits than its factorization.

30671764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71774 (or 71772 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 30671764 is about 5538.2094579385. The cubic root of 30671764 is about 313.0254039339.

The spelling of 30671764 in words is "thirty million, six hundred seventy-one thousand, seven hundred sixty-four".