18350672 has 10 divisors (see below), whose sum is σ = 35554458. Its totient is φ = 9175328.

The previous prime is 18350671. The next prime is 18350677. The reversal of 18350672 is 27605381.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15713296 + 2637376 = 3964^2 + 1624^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18350671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573443 + ... + 573474.

Almost surely, 2^18350672 is an apocalyptic number.

It is an amenable number.

18350672 is a deficient number, since it is larger than the sum of its proper divisors (17203786).

18350672 is a wasteful number, since it uses less digits than its factorization.

18350672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146925 (or 1146919 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 18350672 is about 4283.7684344511. The cubic root of 18350672 is about 263.7650956073.

The spelling of 18350672 in words is "eighteen million, three hundred fifty thousand, six hundred seventy-two".