18029572 has 24 divisors (see below), whose sum is σ = 34528032. Its totient is φ = 8169600.

The previous prime is 18029567. The next prime is 18029579. The reversal of 18029572 is 27592081.

It is not an unprimeable number, because it can be changed into a prime (18029579) 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, 25747 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (1438668).

Almost surely, 2^18029572 is an apocalyptic number.

It is an amenable number.

18029572 is a deficient number, since it is larger than the sum of its proper divisors (16498460).

18029572 is a wasteful number, since it uses less digits than its factorization.

18029572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 18029572 is about 4246.1243505107. The cubic root of 18029572 is about 262.2175804609.

The spelling of 18029572 in words is "eighteen million, twenty-nine thousand, five hundred seventy-two".