71652066 has 8 divisors (see below), whose sum is σ = 143304144. Its totient is φ = 23884020.

The previous prime is 71652047. The next prime is 71652079. The reversal of 71652066 is 66025617.

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

71652066 is an admirable number.

It is an unprimeable number.

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, 5971000 + ... + 5971011.

It is an arithmetic number, because the mean of its divisors is an integer number (17913018).

Almost surely, 2^71652066 is an apocalyptic number.

71652066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71652066 is a wasteful number, since it uses less digits than its factorization.

71652066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942016.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 71652066 is about 8464.7543378411. The cubic root of 71652066 is about 415.3455601510.

The spelling of 71652066 in words is "seventy-one million, six hundred fifty-two thousand, sixty-six".