30372734 has 16 divisors (see below), whose sum is σ = 52144128. Its totient is φ = 12997752.

The previous prime is 30372733. The next prime is 30372781. The reversal of 30372734 is 43727303.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30372697 and 30372706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30372733) 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, 12659 + ... + 14865.

It is an arithmetic number, because the mean of its divisors is an integer number (3259008).

Almost surely, 2^30372734 is an apocalyptic number.

30372734 is a deficient number, since it is larger than the sum of its proper divisors (21771394).

30372734 is a wasteful number, since it uses less digits than its factorization.

30372734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 30372734 is about 5511.1463417333. The cubic root of 30372734 is about 312.0048144666.

It can be divided in two parts, 303 and 72734, that added together give a palindrome (73037).

The spelling of 30372734 in words is "thirty million, three hundred seventy-two thousand, seven hundred thirty-four".