63307445 has 8 divisors (see below), whose sum is σ = 76011936. Its totient is φ = 50617296.

The previous prime is 63307423. The next prime is 63307451. The reversal of 63307445 is 54470336.

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 63307445 - 2¹⁴ = 63291061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13814 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (9501492).

Almost surely, 2^63307445 is an apocalyptic number.

It is an amenable number.

63307445 is a deficient number, since it is larger than the sum of its proper divisors (12704491).

63307445 is a wasteful number, since it uses less digits than its factorization.

63307445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 63307445 is about 7956.5975768541. The cubic root of 63307445 is about 398.5519412236.

The spelling of 63307445 in words is "sixty-three million, three hundred seven thousand, four hundred forty-five".