68777370 has 32 divisors (see below), whose sum is σ = 183407040. Its totient is φ = 18340560.

The previous prime is 68777351. The next prime is 68777389. The reversal of 68777370 is 7377786.

It is an interprime number because it is at equal distance from previous prime (68777351) and next prime (68777389).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127096 + ... + 127635.

It is an arithmetic number, because the mean of its divisors is an integer number (5731470).

Almost surely, 2^68777370 is an apocalyptic number.

68777370 is an abundant number, since it is smaller than the sum of its proper divisors (114629670).

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

68777370 is a wasteful number, since it uses less digits than its factorization.

68777370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254747 (or 254741 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 68777370 is about 8293.2122847543. The cubic root of 68777370 is about 409.7149912955.

The spelling of 68777370 in words is "sixty-eight million, seven hundred seventy-seven thousand, three hundred seventy".