18474073 has 8 divisors (see below), whose sum is σ = 19252800. Its totient is φ = 17704848.

The previous prime is 18474059. The next prime is 18474077. The reversal of 18474073 is 37047481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18474073 - 2¹⁷ = 18343001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18474077) 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, 1740 + ... + 6322.

It is an arithmetic number, because the mean of its divisors is an integer number (2406600).

Almost surely, 2^18474073 is an apocalyptic number.

It is an amenable number.

18474073 is a deficient number, since it is larger than the sum of its proper divisors (778727).

18474073 is a wasteful number, since it uses less digits than its factorization.

18474073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 18474073 is about 4298.1476242679. The cubic root of 18474073 is about 264.3550138490.

The spelling of 18474073 in words is "eighteen million, four hundred seventy-four thousand, seventy-three".