63724245 has 64 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 28827648.

The previous prime is 63724231. The next prime is 63724253. The reversal of 63724245 is 54242736.

It is not a de Polignac number, because 63724245 - 2⁴ = 63724229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155601 + ... + 156009.

It is an arithmetic number, because the mean of its divisors is an integer number (1859760).

Almost surely, 2^63724245 is an apocalyptic number.

63724245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63724245 is a deficient number, since it is larger than the sum of its proper divisors (55300395).

63724245 is a wasteful number, since it uses less digits than its factorization.

63724245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its digits is 40320, while the sum is 33.

The square root of 63724245 is about 7982.7467077441. The cubic root of 63724245 is about 399.4246833402.

The spelling of 63724245 in words is "sixty-three million, seven hundred twenty-four thousand, two hundred forty-five".