68777346 has 16 divisors (see below), whose sum is σ = 150059808. Its totient is φ = 20841600.

The previous prime is 68777341. The next prime is 68777351. The reversal of 68777346 is 64377786.

It is an interprime number because it is at equal distance from previous prime (68777341) and next prime (68777351).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68777295 and 68777304.

It is not an unprimeable number, because it can be changed into a prime (68777341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 520975 + ... + 521106.

It is an arithmetic number, because the mean of its divisors is an integer number (9378738).

Almost surely, 2^68777346 is an apocalyptic number.

68777346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68777346 is an abundant number, since it is smaller than the sum of its proper divisors (81282462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68777346 is a wasteful number, since it uses less digits than its factorization.

68777346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042097.

The product of its digits is 1185408, while the sum is 48.

The square root of 68777346 is about 8293.2108377877. The cubic root of 68777346 is about 409.7149436385.

The spelling of 68777346 in words is "sixty-eight million, seven hundred seventy-seven thousand, three hundred forty-six".