68407190 has 16 divisors (see below), whose sum is σ = 123228000. Its totient is φ = 27341760.

The previous prime is 68407187. The next prime is 68407193. The reversal of 68407190 is 9170486.

It is an interprime number because it is at equal distance from previous prime (68407187) and next prime (68407193).

It is a super-2 number, since 2×68407190² = 9359087287392200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68407190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68407193) 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, 21311 + ... + 24309.

It is an arithmetic number, because the mean of its divisors is an integer number (7701750).

Almost surely, 2^68407190 is an apocalyptic number.

68407190 is a deficient number, since it is larger than the sum of its proper divisors (54820810).

68407190 is a wasteful number, since it uses less digits than its factorization.

68407190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 68407190 is about 8270.8639210182. The cubic root of 68407190 is about 408.9785997575.

The spelling of 68407190 in words is "sixty-eight million, four hundred seven thousand, one hundred ninety".