68593860 has 36 divisors (see below), whose sum is σ = 208068588. Its totient is φ = 18291648.

The previous prime is 68593817. The next prime is 68593871. The reversal of 68593860 is 6839586.

It can be written as a sum of positive squares in 2 ways, for example, as 7096896 + 61496964 = 2664^2 + 7842^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190359 + ... + 190718.

It is an arithmetic number, because the mean of its divisors is an integer number (5779683).

Almost surely, 2^68593860 is an apocalyptic number.

68593860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68593860 is an abundant number, since it is smaller than the sum of its proper divisors (139474728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68593860 is a wasteful number, since it uses less digits than its factorization.

68593860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381092 (or 381087 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 68593860 is about 8282.1410275363. The cubic root of 68593860 is about 409.3502697412.

The spelling of 68593860 in words is "sixty-eight million, five hundred ninety-three thousand, eight hundred sixty".