66326734 has 4 divisors (see below), whose sum is σ = 99490104. Its totient is φ = 33163366.

The previous prime is 66326731. The next prime is 66326737. The reversal of 66326734 is 43762366.

66326734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (66326731) and next prime (66326737).

It is a junction number, because it is equal to n+sod(n) for n = 66326693 and 66326702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66326731) 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 as a sum of consecutive naturals, namely, 16581682 + ... + 16581685.

It is an arithmetic number, because the mean of its divisors is an integer number (24872526).

Almost surely, 2^66326734 is an apocalyptic number.

66326734 is a deficient number, since it is larger than the sum of its proper divisors (33163370).

66326734 is a wasteful number, since it uses less digits than its factorization.

66326734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33163369.

The product of its digits is 108864, while the sum is 37.

The square root of 66326734 is about 8144.1226660703. The cubic root of 66326734 is about 404.7897786207.

It can be divided in two parts, 6632 and 6734, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 66326734 in words is "sixty-six million, three hundred twenty-six thousand, seven hundred thirty-four".