30146372 has 24 divisors (see below), whose sum is σ = 56633976. Its totient is φ = 13989888.

The previous prime is 30146351. The next prime is 30146377. The reversal of 30146372 is 27364103.

It can be written as a sum of positive squares in 4 ways, for example, as 15888196 + 14258176 = 3986^2 + 3776^2 .

It is not an unprimeable number, because it can be changed into a prime (30146377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928 + ... + 8000.

It is an arithmetic number, because the mean of its divisors is an integer number (2359749).

Almost surely, 2^30146372 is an apocalyptic number.

It is an amenable number.

30146372 is a deficient number, since it is larger than the sum of its proper divisors (26487604).

30146372 is a wasteful number, since it uses less digits than its factorization.

30146372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30146372 is about 5490.5711906868. The cubic root of 30146372 is about 311.2277774277.

The spelling of 30146372 in words is "thirty million, one hundred forty-six thousand, three hundred seventy-two".