67713723 has 24 divisors (see below), whose sum is σ = 121944576. Its totient is φ = 35175600.

The previous prime is 67713707. The next prime is 67713791. The reversal of 67713723 is 32731776.

It is not a de Polignac number, because 67713723 - 2⁴ = 67713707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67713923) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 48163 + ... + 49548.

It is an arithmetic number, because the mean of its divisors is an integer number (5081024).

Almost surely, 2^67713723 is an apocalyptic number.

67713723 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

67713723 is a deficient number, since it is larger than the sum of its proper divisors (54230853).

67713723 is a wasteful number, since it uses less digits than its factorization.

67713723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97735 (or 97732 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 67713723 is about 8228.8348506942. The cubic root of 67713723 is about 407.5919182413.

It can be divided in two parts, 677 and 13723, that added together give a square (14400 = 120²).

The spelling of 67713723 in words is "sixty-seven million, seven hundred thirteen thousand, seven hundred twenty-three".