30039764 has 12 divisors (see below), whose sum is σ = 53561844. Its totient is φ = 14736384.

The previous prime is 30039749. The next prime is 30039767. The reversal of 30039764 is 46793003.

It can be written as a sum of positive squares in 2 ways, for example, as 19096900 + 10942864 = 4370^2 + 3308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30039764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30039767) 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, 70637 + ... + 71060.

It is an arithmetic number, because the mean of its divisors is an integer number (4463487).

Almost surely, 2^30039764 is an apocalyptic number.

It is an amenable number.

30039764 is a deficient number, since it is larger than the sum of its proper divisors (23522080).

30039764 is a wasteful number, since it uses less digits than its factorization.

30039764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141754 (or 141752 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30039764 is about 5480.8543129698. The cubic root of 30039764 is about 310.8604744218.

It can be divided in two parts, 30039 and 764, that added together give a palindrome (30803).

The spelling of 30039764 in words is "thirty million, thirty-nine thousand, seven hundred sixty-four".