68370051 has 4 divisors (see below), whose sum is σ = 91160072. Its totient is φ = 45580032.

The previous prime is 68370047. The next prime is 68370059. The reversal of 68370051 is 15007386.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68370051 - 2² = 68370047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68370059) 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, 11395006 + ... + 11395011.

It is an arithmetic number, because the mean of its divisors is an integer number (22790018).

Almost surely, 2^68370051 is an apocalyptic number.

68370051 is a deficient number, since it is larger than the sum of its proper divisors (22790021).

68370051 is a wasteful number, since it uses less digits than its factorization.

68370051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22790020.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 68370051 is about 8268.6184456655. The cubic root of 68370051 is about 408.9045733975.

The spelling of 68370051 in words is "sixty-eight million, three hundred seventy thousand, fifty-one".