71827401 has 8 divisors (see below), whose sum is σ = 97082080. Its totient is φ = 47228832.

The previous prime is 71827373. The next prime is 71827409. The reversal of 71827401 is 10472817.

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

It is not a de Polignac number, because 71827401 - 2⁹ = 71826889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71827409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 163771 + ... + 164208.

It is an arithmetic number, because the mean of its divisors is an integer number (12135260).

Almost surely, 2^71827401 is an apocalyptic number.

It is an amenable number.

71827401 is a deficient number, since it is larger than the sum of its proper divisors (25254679).

71827401 is a wasteful number, since it uses less digits than its factorization.

71827401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328055.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 71827401 is about 8475.1047781134. The cubic root of 71827401 is about 415.6840723394.

The spelling of 71827401 in words is "seventy-one million, eight hundred twenty-seven thousand, four hundred one".