68900737 has 4 divisors (see below), whose sum is σ = 68985280. Its totient is φ = 68816196.

The previous prime is 68900701. The next prime is 68900761. The reversal of 68900737 is 73700986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68900737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68900737.

It is not an unprimeable number, because it can be changed into a prime (68900837) 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, 41037 + ... + 42682.

It is an arithmetic number, because the mean of its divisors is an integer number (17246320).

Almost surely, 2^68900737 is an apocalyptic number.

It is an amenable number.

68900737 is a deficient number, since it is larger than the sum of its proper divisors (84543).

68900737 is an equidigital number, since it uses as much as digits as its factorization.

68900737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84542.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 68900737 is about 8300.6467820285. The cubic root of 68900737 is about 409.9598156135.

The spelling of 68900737 in words is "sixty-eight million, nine hundred thousand, seven hundred thirty-seven".