68102465 has 4 divisors (see below), whose sum is σ = 81722964. Its totient is φ = 54481968.

The previous prime is 68102453. The next prime is 68102477. The reversal of 68102465 is 56420186.

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

It is an interprime number because it is at equal distance from previous prime (68102453) and next prime (68102477).

It can be written as a sum of positive squares in 2 ways, for example, as 7246864 + 60855601 = 2692^2 + 7801^2 .

It is a cyclic number.

It is not a de Polignac number, because 68102465 - 2⁴ = 68102449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6810242 + ... + 6810251.

It is an arithmetic number, because the mean of its divisors is an integer number (20430741).

Almost surely, 2^68102465 is an apocalyptic number.

It is an amenable number.

68102465 is a deficient number, since it is larger than the sum of its proper divisors (13620499).

68102465 is a wasteful number, since it uses less digits than its factorization.

68102465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13620498.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 68102465 is about 8252.4217657606. The cubic root of 68102465 is about 408.3704204363.

The spelling of 68102465 in words is "sixty-eight million, one hundred two thousand, four hundred sixty-five".