68501865 has 32 divisors (see below), whose sum is σ = 112223232. Its totient is φ = 35672000.

The previous prime is 68501827. The next prime is 68501869. The reversal of 68501865 is 56810586.

It is not a de Polignac number, because 68501865 - 2¹³ = 68493673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68501869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139270 + ... + 139760.

It is an arithmetic number, because the mean of its divisors is an integer number (3506976).

Almost surely, 2^68501865 is an apocalyptic number.

It is an amenable number.

68501865 is a deficient number, since it is larger than the sum of its proper divisors (43721367).

68501865 is a wasteful number, since it uses less digits than its factorization.

68501865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 68501865 is about 8276.5853466270. The cubic root of 68501865 is about 409.1671871458.

The spelling of 68501865 in words is "sixty-eight million, five hundred one thousand, eight hundred sixty-five".