66790295 has 32 divisors (see below), whose sum is σ = 95135040. Its totient is φ = 44375040.

The previous prime is 66790259. The next prime is 66790307. The reversal of 66790295 is 59209766.

It is not a de Polignac number, because 66790295 - 2⁸ = 66790039 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77507 + ... + 78363.

It is an arithmetic number, because the mean of its divisors is an integer number (2972970).

Almost surely, 2^66790295 is an apocalyptic number.

66790295 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66790295 is a deficient number, since it is larger than the sum of its proper divisors (28344745).

66790295 is a wasteful number, since it uses less digits than its factorization.

66790295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 66790295 is about 8172.5329610837. The cubic root of 66790295 is about 405.7306224293.

The spelling of 66790295 in words is "sixty-six million, seven hundred ninety thousand, two hundred ninety-five".