18472450 has 24 divisors (see below), whose sum is σ = 35854848. Its totient is φ = 7067280.

The previous prime is 18472439. The next prime is 18472451. The reversal of 18472450 is 5427481.

It is not an unprimeable number, because it can be changed into a prime (18472451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6882 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (1493952).

Almost surely, 2^18472450 is an apocalyptic number.

18472450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18472450 is a deficient number, since it is larger than the sum of its proper divisors (17382398).

18472450 is a wasteful number, since it uses less digits than its factorization.

18472450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16098 (or 16093 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 18472450 is about 4297.9588178576. The cubic root of 18472450 is about 264.3472721750.

The spelling of 18472450 in words is "eighteen million, four hundred seventy-two thousand, four hundred fifty".