68655049 has 4 divisors (see below), whose sum is σ = 70869760. Its totient is φ = 66440340.

The previous prime is 68655043. The next prime is 68655077. The reversal of 68655049 is 94055686.

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 68655049 - 2¹¹ = 68653001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68654996 and 68655014.

It is not an unprimeable number, because it can be changed into a prime (68655043) 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, 1107309 + ... + 1107370.

It is an arithmetic number, because the mean of its divisors is an integer number (17717440).

Almost surely, 2^68655049 is an apocalyptic number.

It is an amenable number.

68655049 is a deficient number, since it is larger than the sum of its proper divisors (2214711).

68655049 is a wasteful number, since it uses less digits than its factorization.

68655049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214710.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 68655049 is about 8285.8342368165. The cubic root of 68655049 is about 409.4719535645.

The spelling of 68655049 in words is "sixty-eight million, six hundred fifty-five thousand, forty-nine".