30075672 has 64 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 8864640.

The previous prime is 30075649. The next prime is 30075677. The reversal of 30075672 is 27657003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30075677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8229 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (1316700).

Almost surely, 2^30075672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30075672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42134400).

30075672 is an abundant number, since it is smaller than the sum of its proper divisors (54193128).

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

30075672 is a wasteful number, since it uses less digits than its factorization.

30075672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136 (or 3132 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30075672 is about 5484.1291013250. The cubic root of 30075672 is about 310.9842873477.

The spelling of 30075672 in words is "thirty million, seventy-five thousand, six hundred seventy-two".