68732903 has 4 divisors (see below), whose sum is σ = 69028128. Its totient is φ = 68437680.

The previous prime is 68732879. The next prime is 68732969. The reversal of 68732903 is 30923786.

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

It is a cyclic number.

It is not a de Polignac number, because 68732903 - 2⁸ = 68732647 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 (68732203) 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, 147263 + ... + 147728.

It is an arithmetic number, because the mean of its divisors is an integer number (17257032).

Almost surely, 2^68732903 is an apocalyptic number.

68732903 is a deficient number, since it is larger than the sum of its proper divisors (295225).

68732903 is a wasteful number, since it uses less digits than its factorization.

68732903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295224.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 68732903 is about 8290.5309238914. The cubic root of 68732903 is about 409.6266738528.

The spelling of 68732903 in words is "sixty-eight million, seven hundred thirty-two thousand, nine hundred three".