67066746 has 16 divisors (see below), whose sum is σ = 134697600. Its totient is φ = 22261568.

The previous prime is 67066729. The next prime is 67066757. The reversal of 67066746 is 64766076.

It is a junction number, because it is equal to n+sod(n) for n = 67066698 and 67066707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21951 + ... + 24818.

It is an arithmetic number, because the mean of its divisors is an integer number (8418600).

Almost surely, 2^67066746 is an apocalyptic number.

67066746 is an abundant number, since it is smaller than the sum of its proper divisors (67630854).

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

67066746 is a wasteful number, since it uses less digits than its factorization.

67066746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47013.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 67066746 is about 8189.4289178184. The cubic root of 67066746 is about 406.2896369689.

The spelling of 67066746 in words is "sixty-seven million, sixty-six thousand, seven hundred forty-six".