71629327 has 12 divisors (see below), whose sum is σ = 90899496. Its totient is φ = 55814640.

The previous prime is 71629321. The next prime is 71629339. The reversal of 71629327 is 72392617.

It is a de Polignac number, because none of the positive numbers 2^k-71629327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71629321) 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 in 11 ways as a sum of consecutive naturals, for example, 65908 + ... + 66985.

It is an arithmetic number, because the mean of its divisors is an integer number (7574958).

Almost surely, 2^71629327 is an apocalyptic number.

71629327 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

71629327 is a deficient number, since it is larger than the sum of its proper divisors (19270169).

71629327 is a wasteful number, since it uses less digits than its factorization.

71629327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132918 (or 132911 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 71629327 is about 8463.4110735566. The cubic root of 71629327 is about 415.3016184455.

The spelling of 71629327 in words is "seventy-one million, six hundred twenty-nine thousand, three hundred twenty-seven".