71214413 has 4 divisors (see below), whose sum is σ = 74962560. Its totient is φ = 67466268.

The previous prime is 71214397. The next prime is 71214419. The reversal of 71214413 is 31441217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71214413 - 2⁴ = 71214397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71214419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874045 + ... + 1874082.

It is an arithmetic number, because the mean of its divisors is an integer number (18740640).

Almost surely, 2^71214413 is an apocalyptic number.

It is an amenable number.

71214413 is a deficient number, since it is larger than the sum of its proper divisors (3748147).

71214413 is a wasteful number, since it uses less digits than its factorization.

71214413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748146.

The product of its digits is 672, while the sum is 23.

The square root of 71214413 is about 8438.8632528321. The cubic root of 71214413 is about 414.4981847627.

The spelling of 71214413 in words is "seventy-one million, two hundred fourteen thousand, four hundred thirteen".