68073770 has 48 divisors (see below), whose sum is σ = 131262120. Its totient is φ = 25411968.

The previous prime is 68073769. The next prime is 68073823. The reversal of 68073770 is 7737086.

It can be written as a sum of positive squares in 4 ways, for example, as 67059721 + 1014049 = 8189^2 + 1007^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393404 + ... + 393576.

Almost surely, 2^68073770 is an apocalyptic number.

68073770 is a deficient number, since it is larger than the sum of its proper divisors (63188350).

68073770 is a wasteful number, since it uses less digits than its factorization.

68073770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 68073770 is about 8250.6830020308. The cubic root of 68073770 is about 408.3130567006.

The spelling of 68073770 in words is "sixty-eight million, seventy-three thousand, seven hundred seventy".