30075772 has 12 divisors (see below), whose sum is σ = 52731000. Its totient is φ = 15009776.

The previous prime is 30075763. The next prime is 30075779. The reversal of 30075772 is 27757003.

It is a super-2 number, since 2×30075772² = 1809104122791968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30075779) 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, 4522 + ... + 8977.

It is an arithmetic number, because the mean of its divisors is an integer number (4394250).

Almost surely, 2^30075772 is an apocalyptic number.

It is an amenable number.

30075772 is a deficient number, since it is larger than the sum of its proper divisors (22655228).

30075772 is a wasteful number, since it uses less digits than its factorization.

30075772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060 (or 14058 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 30075772 is about 5484.1382185353. The cubic root of 30075772 is about 310.9846320160.

The spelling of 30075772 in words is "thirty million, seventy-five thousand, seven hundred seventy-two".