68852057 has 4 divisors (see below), whose sum is σ = 72902196. Its totient is φ = 64801920.

The previous prime is 68852053. The next prime is 68852059. The reversal of 68852057 is 75025886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38204761 + 30647296 = 6181^2 + 5536^2 .

It is a cyclic number.

It is not a de Polignac number, because 68852057 - 2² = 68852053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68852053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025044 + ... + 2025077.

It is an arithmetic number, because the mean of its divisors is an integer number (18225549).

Almost surely, 2^68852057 is an apocalyptic number.

It is an amenable number.

68852057 is a deficient number, since it is larger than the sum of its proper divisors (4050139).

68852057 is a wasteful number, since it uses less digits than its factorization.

68852057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050138.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 68852057 is about 8297.7139622911. The cubic root of 68852057 is about 409.8632440985.

The spelling of 68852057 in words is "sixty-eight million, eight hundred fifty-two thousand, fifty-seven".