68736460 has 24 divisors (see below), whose sum is σ = 155450736. Its totient is φ = 25379520.

The previous prime is 68736407. The next prime is 68736461. The reversal of 68736460 is 6463786.

It is not an unprimeable number, because it can be changed into a prime (68736461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131926 + ... + 132445.

It is an arithmetic number, because the mean of its divisors is an integer number (6477114).

Almost surely, 2^68736460 is an apocalyptic number.

It is an amenable number.

68736460 is an abundant number, since it is smaller than the sum of its proper divisors (86714276).

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

68736460 is a wasteful number, since it uses less digits than its factorization.

68736460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264393 (or 264391 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 68736460 is about 8290.7454429623. The cubic root of 68736460 is about 409.6337399346.

It can be divided in two parts, 68736 and 460, that added together give a palindrome (69196).

The spelling of 68736460 in words is "sixty-eight million, seven hundred thirty-six thousand, four hundred sixty".