45667647 has 6 divisors (see below), whose sum is σ = 65964392. Its totient is φ = 30445092.

The previous prime is 45667637. The next prime is 45667649. The reversal of 45667647 is 74676654.

It is a happy number.

It is not a de Polignac number, because 45667647 - 2⁴ = 45667631 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 (45667649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2537083 + ... + 2537100.

Almost surely, 2^45667647 is an apocalyptic number.

45667647 is a deficient number, since it is larger than the sum of its proper divisors (20296745).

45667647 is a wasteful number, since it uses less digits than its factorization.

45667647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074189 (or 5074186 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 45667647 is about 6757.7841782644. The cubic root of 45667647 is about 357.4397753377.

The spelling of 45667647 in words is "forty-five million, six hundred sixty-seven thousand, six hundred forty-seven".