71214407 has 8 divisors (see below), whose sum is σ = 79495680. Its totient is φ = 63234360.

The previous prime is 71214397. The next prime is 71214419. The reversal of 71214407 is 70441217.

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 71214407 - 2²⁰ = 70165831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71214427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74807 + ... + 75752.

It is an arithmetic number, because the mean of its divisors is an integer number (9936960).

Almost surely, 2^71214407 is an apocalyptic number.

71214407 is a deficient number, since it is larger than the sum of its proper divisors (8281273).

71214407 is a wasteful number, since it uses less digits than its factorization.

71214407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150613.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 71214407 is about 8438.8628973340. The cubic root of 71214407 is about 414.4981731219.

The spelling of 71214407 in words is "seventy-one million, two hundred fourteen thousand, four hundred seven".