18076947 has 16 divisors (see below), whose sum is σ = 28496640. Its totient is φ = 9973152.

The previous prime is 18076913. The next prime is 18076963. The reversal of 18076947 is 74967081.

It is not a de Polignac number, because 18076947 - 2¹¹ = 18074899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18076899 and 18076908.

It is not an unprimeable number, because it can be changed into a prime (18076907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14233 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (1781040).

Almost surely, 2^18076947 is an apocalyptic number.

18076947 is a deficient number, since it is larger than the sum of its proper divisors (10419693).

18076947 is a wasteful number, since it uses less digits than its factorization.

18076947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29722.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 18076947 is about 4251.6993073358. The cubic root of 18076947 is about 262.4470496373.

The spelling of 18076947 in words is "eighteen million, seventy-six thousand, nine hundred forty-seven".