45704649 has 8 divisors (see below), whose sum is σ = 61110720. Its totient is φ = 30384176.

The previous prime is 45704639. The next prime is 45704663. The reversal of 45704649 is 94640754.

It is a happy number.

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 45704649 - 2⁷ = 45704521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45704629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20142 + ... + 22295.

It is an arithmetic number, because the mean of its divisors is an integer number (7638840).

Almost surely, 2^45704649 is an apocalyptic number.

It is an amenable number.

45704649 is a deficient number, since it is larger than the sum of its proper divisors (15406071).

45704649 is a wasteful number, since it uses less digits than its factorization.

45704649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42799.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 45704649 is about 6760.5213556352. The cubic root of 45704649 is about 357.5362872518.

The spelling of 45704649 in words is "forty-five million, seven hundred four thousand, six hundred forty-nine".