68772337 has 4 divisors (see below), whose sum is σ = 69156720. Its totient is φ = 68387956.

The previous prime is 68772329. The next prime is 68772359. The reversal of 68772337 is 73327786.

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 not a de Polignac number, because 68772337 - 2³ = 68772329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68772293 and 68772302.

It is not an unprimeable number, because it can be changed into a prime (68772317) 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, 191923 + ... + 192280.

It is an arithmetic number, because the mean of its divisors is an integer number (17289180).

Almost surely, 2^68772337 is an apocalyptic number.

It is an amenable number.

68772337 is a deficient number, since it is larger than the sum of its proper divisors (384383).

68772337 is a wasteful number, since it uses less digits than its factorization.

68772337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384382.

The product of its digits is 296352, while the sum is 43.

The square root of 68772337 is about 8292.9088382786. The cubic root of 68772337 is about 409.7049969914.

The spelling of 68772337 in words is "sixty-eight million, seven hundred seventy-two thousand, three hundred thirty-seven".