71400005 has 8 divisors (see below), whose sum is σ = 90189600. Its totient is φ = 54113616.

The previous prime is 71399969. The next prime is 71400011. The reversal of 71400005 is 50000417.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 71400005 - 2¹⁰ = 71398981 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 375695 + ... + 375884.

It is an arithmetic number, because the mean of its divisors is an integer number (11273700).

Almost surely, 2^71400005 is an apocalyptic number.

It is an amenable number.

71400005 is a deficient number, since it is larger than the sum of its proper divisors (18789595).

71400005 is a wasteful number, since it uses less digits than its factorization.

71400005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751603.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 71400005 is about 8449.8523655742. The cubic root of 71400005 is about 414.8579472202.

The spelling of 71400005 in words is "seventy-one million, four hundred thousand, five".