45676709 has 4 divisors (see below), whose sum is σ = 49190316. Its totient is φ = 42163104.

The previous prime is 45676699. The next prime is 45676727. The reversal of 45676709 is 90767654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90767654 = 2 ⋅45383827.

It can be written as a sum of positive squares in 2 ways, for example, as 13300609 + 32376100 = 3647^2 + 5690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45676709 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45676709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45676789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756784 + ... + 1756809.

It is an arithmetic number, because the mean of its divisors is an integer number (12297579).

Almost surely, 2^45676709 is an apocalyptic number.

It is an amenable number.

45676709 is a deficient number, since it is larger than the sum of its proper divisors (3513607).

45676709 is a wasteful number, since it uses less digits than its factorization.

45676709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513606.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 45676709 is about 6758.4546310529. The cubic root of 45676709 is about 357.4634164726.

The spelling of 45676709 in words is "forty-five million, six hundred seventy-six thousand, seven hundred nine".