30190872 has 16 divisors (see below), whose sum is σ = 75477240. Its totient is φ = 10063616.

The previous prime is 30190843. The next prime is 30190903. The reversal of 30190872 is 27809103.

It is a happy number.

It is a super-2 number, since 2×30190872² = 1822977504240768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628953 + ... + 629000.

Almost surely, 2^30190872 is an apocalyptic number.

It is an amenable number.

30190872 is an abundant number, since it is smaller than the sum of its proper divisors (45286368).

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

30190872 is a wasteful number, since it uses less digits than its factorization.

30190872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257962 (or 1257958 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 30190872 is about 5494.6220980155. The cubic root of 30190872 is about 311.3808398156.

Adding to 30190872 its reverse (27809103), we get a palindrome (57999975).

The spelling of 30190872 in words is "thirty million, one hundred ninety thousand, eight hundred seventy-two".