30743952 has 20 divisors (see below), whose sum is σ = 79422000. Its totient is φ = 10247968.

The previous prime is 30743941. The next prime is 30743959. The reversal of 30743952 is 25934703.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30743959) 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, 320202 + ... + 320297.

It is an arithmetic number, because the mean of its divisors is an integer number (3971100).

Almost surely, 2^30743952 is an apocalyptic number.

It is an amenable number.

30743952 is an abundant number, since it is smaller than the sum of its proper divisors (48678048).

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

30743952 is a wasteful number, since it uses less digits than its factorization.

30743952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640510 (or 640504 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 30743952 is about 5544.7228965928. The cubic root of 30743952 is about 313.2707867711.

Subtracting from 30743952 its reverse (25934703), we obtain a square (4809249 = 2193²).

The spelling of 30743952 in words is "thirty million, seven hundred forty-three thousand, nine hundred fifty-two".