30906764 has 24 divisors (see below), whose sum is σ = 61948320. Its totient is φ = 13216896.

The previous prime is 30906719. The next prime is 30906767. The reversal of 30906764 is 46760903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30906767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16382 + ... + 18170.

It is an arithmetic number, because the mean of its divisors is an integer number (2581180).

Almost surely, 2^30906764 is an apocalyptic number.

It is an amenable number.

30906764 is an abundant number, since it is smaller than the sum of its proper divisors (31041556).

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

30906764 is a wasteful number, since it uses less digits than its factorization.

30906764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 30906764 is about 5559.3852178096. The cubic root of 30906764 is about 313.8228137433.

The spelling of 30906764 in words is "thirty million, nine hundred six thousand, seven hundred sixty-four".