63240733 has 4 divisors (see below), whose sum is σ = 64949980. Its totient is φ = 61531488.

The previous prime is 63240701. The next prime is 63240739. The reversal of 63240733 is 33704236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 22829284 = 6357^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 63240733 - 2⁵ = 63240701 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 (63240739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854568 + ... + 854641.

It is an arithmetic number, because the mean of its divisors is an integer number (16237495).

Almost surely, 2^63240733 is an apocalyptic number.

It is an amenable number.

63240733 is a deficient number, since it is larger than the sum of its proper divisors (1709247).

63240733 is a wasteful number, since it uses less digits than its factorization.

63240733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709246.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 63240733 is about 7952.4042276534. The cubic root of 63240733 is about 398.4118969159.

Adding to 63240733 its reverse (33704236), we get a palindrome (96944969).

The spelling of 63240733 in words is "sixty-three million, two hundred forty thousand, seven hundred thirty-three".