68925017 has 6 divisors (see below), whose sum is σ = 80178138. Its totient is φ = 59078544.

The previous prime is 68924941. The next prime is 68925019. The reversal of 68925017 is 71052986.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 28526281 = 6356^2 + 5341^2 .

It is not a de Polignac number, because 68925017 - 2¹² = 68920921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68925019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703268 + ... + 703365.

It is an arithmetic number, because the mean of its divisors is an integer number (13363023).

Almost surely, 2^68925017 is an apocalyptic number.

It is an amenable number.

68925017 is a deficient number, since it is larger than the sum of its proper divisors (11253121).

68925017 is a wasteful number, since it uses less digits than its factorization.

68925017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406647 (or 1406640 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 68925017 is about 8302.1091898384. The cubic root of 68925017 is about 410.0079653420.

The spelling of 68925017 in words is "sixty-eight million, nine hundred twenty-five thousand, seventeen".