45687761 has 8 divisors (see below), whose sum is σ = 54962880. Its totient is φ = 37099728.

The previous prime is 45687757. The next prime is 45687793. The reversal of 45687761 is 16778654.

45687761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45687761 - 2² = 45687757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45687751) 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 7 ways as a sum of consecutive naturals, for example, 171626 + ... + 171891.

It is an arithmetic number, because the mean of its divisors is an integer number (6870360).

Almost surely, 2^45687761 is an apocalyptic number.

It is an amenable number.

45687761 is a deficient number, since it is larger than the sum of its proper divisors (9275119).

45687761 is a wasteful number, since it uses less digits than its factorization.

45687761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343543.

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

The square root of 45687761 is about 6759.2722241377. The cubic root of 45687761 is about 357.4922449293.

The spelling of 45687761 in words is "forty-five million, six hundred eighty-seven thousand, seven hundred sixty-one".