30746072 has 16 divisors (see below), whose sum is σ = 65884560. Its totient is φ = 13176864.

The previous prime is 30746069. The next prime is 30746113. The reversal of 30746072 is 27064703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274463 + ... + 274574.

It is an arithmetic number, because the mean of its divisors is an integer number (4117785).

Almost surely, 2^30746072 is an apocalyptic number.

It is an amenable number.

30746072 is an abundant number, since it is smaller than the sum of its proper divisors (35138488).

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

30746072 is a wasteful number, since it uses less digits than its factorization.

30746072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549050 (or 549046 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 30746072 is about 5544.9140660609. The cubic root of 30746072 is about 313.2779873071.

The spelling of 30746072 in words is "thirty million, seven hundred forty-six thousand, seventy-two".