68572190 has 8 divisors (see below), whose sum is σ = 123429960. Its totient is φ = 27428872.

The previous prime is 68572187. The next prime is 68572241. The reversal of 68572190 is 9127586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68572190² = 9404290482792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3428600 + ... + 3428619.

It is an arithmetic number, because the mean of its divisors is an integer number (15428745).

Almost surely, 2^68572190 is an apocalyptic number.

68572190 is a deficient number, since it is larger than the sum of its proper divisors (54857770).

68572190 is a wasteful number, since it uses less digits than its factorization.

68572190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857226.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 68572190 is about 8280.8326875985. The cubic root of 68572190 is about 409.3071582313.

The spelling of 68572190 in words is "sixty-eight million, five hundred seventy-two thousand, one hundred ninety".