68152905 has 48 divisors (see below), whose sum is σ = 126048000. Its totient is φ = 33965568.

The previous prime is 68152837. The next prime is 68152939. The reversal of 68152905 is 50925186.

It is a happy number.

It is not a de Polignac number, because 68152905 - 2⁸ = 68152649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68152905.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67041 + ... + 68049.

It is an arithmetic number, because the mean of its divisors is an integer number (2626000).

Almost surely, 2^68152905 is an apocalyptic number.

It is an amenable number.

68152905 is a deficient number, since it is larger than the sum of its proper divisors (57895095).

68152905 is a wasteful number, since it uses less digits than its factorization.

68152905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 68152905 is about 8255.4772726960. The cubic root of 68152905 is about 408.4712152253.

The spelling of 68152905 in words is "sixty-eight million, one hundred fifty-two thousand, nine hundred five".