68607137 has 4 divisors (see below), whose sum is σ = 71590080. Its totient is φ = 65624196.

The previous prime is 68607131. The next prime is 68607151. The reversal of 68607137 is 73170686.

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 68607137 - 2⁶ = 68607073 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 68607137.

It is not an unprimeable number, because it can be changed into a prime (68607131) 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, 1491437 + ... + 1491482.

It is an arithmetic number, because the mean of its divisors is an integer number (17897520).

Almost surely, 2^68607137 is an apocalyptic number.

It is an amenable number.

68607137 is a deficient number, since it is larger than the sum of its proper divisors (2982943).

68607137 is a wasteful number, since it uses less digits than its factorization.

68607137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982942.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 68607137 is about 8282.9425326994. The cubic root of 68607137 is about 409.3766792620.

The spelling of 68607137 in words is "sixty-eight million, six hundred seven thousand, one hundred thirty-seven".