18760061 has 4 divisors (see below), whose sum is σ = 19863612. Its totient is φ = 17656512.

The previous prime is 18760057. The next prime is 18760069. The reversal of 18760061 is 16006781.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14784025 + 3976036 = 3845^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 18760061 - 2² = 18760057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18760069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551750 + ... + 551783.

It is an arithmetic number, because the mean of its divisors is an integer number (4965903).

Almost surely, 2^18760061 is an apocalyptic number.

It is an amenable number.

18760061 is a deficient number, since it is larger than the sum of its proper divisors (1103551).

18760061 is a wasteful number, since it uses less digits than its factorization.

18760061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103550.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 18760061 is about 4331.2886073315. The cubic root of 18760061 is about 265.7121511674.

The spelling of 18760061 in words is "eighteen million, seven hundred sixty thousand, sixty-one".