68977373 has 2 divisors, whose sum is σ = 68977374. Its totient is φ = 68977372.

The previous prime is 68977367. The next prime is 68977427. The reversal of 68977373 is 37377986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61811044 + 7166329 = 7862^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 68977373 - 2⁴ = 68977357 is a prime.

It is a super-2 number, since 2×68977373² = 9515755971962258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68977303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34488686 + 34488687.

It is an arithmetic number, because the mean of its divisors is an integer number (34488687).

Almost surely, 2^68977373 is an apocalyptic number.

It is an amenable number.

68977373 is a deficient number, since it is larger than the sum of its proper divisors (1).

68977373 is an equidigital number, since it uses as much as digits as its factorization.

68977373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1333584, while the sum is 50.

The square root of 68977373 is about 8305.2617658928. The cubic root of 68977373 is about 410.1117541883. Note that the first 3 decimals are identical.

The spelling of 68977373 in words is "sixty-eight million, nine hundred seventy-seven thousand, three hundred seventy-three".