30372934 has 4 divisors (see below), whose sum is σ = 45559404. Its totient is φ = 15186466.

The previous prime is 30372919. The next prime is 30372971. The reversal of 30372934 is 43927303.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 30372896 and 30372905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7593232 + ... + 7593235.

It is an arithmetic number, because the mean of its divisors is an integer number (11389851).

Almost surely, 2^30372934 is an apocalyptic number.

30372934 is a deficient number, since it is larger than the sum of its proper divisors (15186470).

30372934 is a wasteful number, since it uses less digits than its factorization.

30372934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15186469.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 30372934 is about 5511.1644867487. The cubic root of 30372934 is about 312.0054993004.

It can be divided in two parts, 303 and 72934, that added together give a palindrome (73237).

The spelling of 30372934 in words is "thirty million, three hundred seventy-two thousand, nine hundred thirty-four".