18460742 has 36 divisors (see below), whose sum is σ = 31737660. Its totient is φ = 8029440.

The previous prime is 18460699. The next prime is 18460753. The reversal of 18460742 is 24706481.

It is a junction number, because it is equal to n+sod(n) for n = 18460699 and 18460708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 450242 + ... + 450282.

Almost surely, 2^18460742 is an apocalyptic number.

18460742 is a deficient number, since it is larger than the sum of its proper divisors (13276918).

18460742 is a wasteful number, since it uses less digits than its factorization.

18460742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 18460742 is about 4296.5965600694. The cubic root of 18460742 is about 264.2914118358.

The spelling of 18460742 in words is "eighteen million, four hundred sixty thousand, seven hundred forty-two".