70666822 has 8 divisors (see below), whose sum is σ = 106100496. Its totient is φ = 35299992.

The previous prime is 70666819. The next prime is 70666829. The reversal of 70666822 is 22866607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13978 + ... + 18349.

It is an arithmetic number, because the mean of its divisors is an integer number (13262562).

Almost surely, 2^70666822 is an apocalyptic number.

70666822 is a deficient number, since it is larger than the sum of its proper divisors (35433674).

70666822 is a wasteful number, since it uses less digits than its factorization.

70666822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33422.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 70666822 is about 8406.3560476582. The cubic root of 70666822 is about 413.4330458070.

It can be divided in two parts, 706 and 66822, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 70666822 in words is "seventy million, six hundred sixty-six thousand, eight hundred twenty-two".