68332087 has 4 divisors (see below), whose sum is σ = 68458936. Its totient is φ = 68205240.

The previous prime is 68332079. The next prime is 68332093. The reversal of 68332087 is 78023386.

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 68332087 - 2³ = 68332079 is a prime.

It is a super-2 number, since 2×68332087² = 9338548227551138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68332067) 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, 62613 + ... + 63694.

It is an arithmetic number, because the mean of its divisors is an integer number (17114734).

Almost surely, 2^68332087 is an apocalyptic number.

68332087 is a deficient number, since it is larger than the sum of its proper divisors (126849).

68332087 is a wasteful number, since it uses less digits than its factorization.

68332087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126848.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 68332087 is about 8266.3224592318. The cubic root of 68332087 is about 408.8288749147.

The spelling of 68332087 in words is "sixty-eight million, three hundred thirty-two thousand, eighty-seven".