68616410 has 32 divisors (see below), whose sum is σ = 132235200. Its totient is φ = 25557120.

The previous prime is 68616409. The next prime is 68616413. The reversal of 68616410 is 1461686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68616413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8150 + ... + 14270.

It is an arithmetic number, because the mean of its divisors is an integer number (4132350).

Almost surely, 2^68616410 is an apocalyptic number.

68616410 is a deficient number, since it is larger than the sum of its proper divisors (63618790).

68616410 is a wasteful number, since it uses less digits than its factorization.

68616410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68616410 is about 8283.5022786259. The cubic root of 68616410 is about 409.3951223332.

The spelling of 68616410 in words is "sixty-eight million, six hundred sixteen thousand, four hundred ten".