71459420 has 24 divisors (see below), whose sum is σ = 150408384. Its totient is φ = 28518336.

The previous prime is 71459417. The next prime is 71459429. The reversal of 71459420 is 2495417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71459429) 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, 5402 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (6267016).

Almost surely, 2^71459420 is an apocalyptic number.

It is an amenable number.

71459420 is an abundant number, since it is smaller than the sum of its proper divisors (78948964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71459420 is a wasteful number, since it uses less digits than its factorization.

71459420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189 (or 8187 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 71459420 is about 8453.3673763773. The cubic root of 71459420 is about 414.9729890002.

The spelling of 71459420 in words is "seventy-one million, four hundred fifty-nine thousand, four hundred twenty".