68697460 has 24 divisors (see below), whose sum is σ = 155362536. Its totient is φ = 25365120.

The previous prime is 68697439. The next prime is 68697469. The reversal of 68697460 is 6479686.

It can be written as a sum of positive squares in 4 ways, for example, as 16337764 + 52359696 = 4042^2 + 7236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68697460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68697469) 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, 131851 + ... + 132370.

It is an arithmetic number, because the mean of its divisors is an integer number (6473439).

Almost surely, 2^68697460 is an apocalyptic number.

It is an amenable number.

68697460 is an abundant number, since it is smaller than the sum of its proper divisors (86665076).

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

68697460 is a wasteful number, since it uses less digits than its factorization.

68697460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264243 (or 264241 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 68697460 is about 8288.3930891337. The cubic root of 68697460 is about 409.5562520033.

The spelling of 68697460 in words is "sixty-eight million, six hundred ninety-seven thousand, four hundred sixty".