45671687 has 4 divisors (see below), whose sum is σ = 48075480. Its totient is φ = 43267896.

The previous prime is 45671683. The next prime is 45671699. The reversal of 45671687 is 78617654.

45671687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45671687 - 2² = 45671683 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 (45671683) 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, 1201868 + ... + 1201905.

It is an arithmetic number, because the mean of its divisors is an integer number (12018870).

Almost surely, 2^45671687 is an apocalyptic number.

45671687 is a deficient number, since it is larger than the sum of its proper divisors (2403793).

45671687 is a wasteful number, since it uses less digits than its factorization.

45671687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403792.

The product of its digits is 282240, while the sum is 44.

The square root of 45671687 is about 6758.0830862013. The cubic root of 45671687 is about 357.4503153604.

The spelling of 45671687 in words is "forty-five million, six hundred seventy-one thousand, six hundred eighty-seven".