63749345 has 8 divisors (see below), whose sum is σ = 83453760. Its totient is φ = 46363120.

The previous prime is 63749339. The next prime is 63749347. The reversal of 63749345 is 54394736.

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

It is not a de Polignac number, because 63749345 - 2¹⁸ = 63487201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63749347) 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, 579485 + ... + 579594.

It is an arithmetic number, because the mean of its divisors is an integer number (10431720).

Almost surely, 2^63749345 is an apocalyptic number.

It is an amenable number.

63749345 is a deficient number, since it is larger than the sum of its proper divisors (19704415).

63749345 is a wasteful number, since it uses less digits than its factorization.

63749345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159095.

The product of its digits is 272160, while the sum is 41.

The square root of 63749345 is about 7984.3186935392. The cubic root of 63749345 is about 399.4771188695.

The spelling of 63749345 in words is "sixty-three million, seven hundred forty-nine thousand, three hundred forty-five".