30734224 has 10 divisors (see below), whose sum is σ = 59547590. Its totient is φ = 15367104.

The previous prime is 30734213. The next prime is 30734227. The reversal of 30734224 is 42243703.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 1140624 = 5440^2 + 1068^2 .

It is not an unprimeable number, because it can be changed into a prime (30734227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960429 + ... + 960460.

It is an arithmetic number, because the mean of its divisors is an integer number (5954759).

Almost surely, 2^30734224 is an apocalyptic number.

It is an amenable number.

30734224 is a deficient number, since it is larger than the sum of its proper divisors (28813366).

30734224 is a wasteful number, since it uses less digits than its factorization.

30734224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920897 (or 1920891 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 30734224 is about 5543.8455966955. The cubic root of 30734224 is about 313.2377415757.

Adding to 30734224 its reverse (42243703), we get a palindrome (72977927).

The spelling of 30734224 in words is "thirty million, seven hundred thirty-four thousand, two hundred twenty-four".