71441620 has 24 divisors (see below), whose sum is σ = 152143488. Its totient is φ = 28173600.

The previous prime is 71441609. The next prime is 71441621. The reversal of 71441620 is 2614417.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71441621) 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, 23736 + ... + 26575.

It is an arithmetic number, because the mean of its divisors is an integer number (6339312).

Almost surely, 2^71441620 is an apocalyptic number.

It is an amenable number.

71441620 is an abundant number, since it is smaller than the sum of its proper divisors (80701868).

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

71441620 is a wasteful number, since it uses less digits than its factorization.

71441620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50391 (or 50389 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 71441620 is about 8452.3144759291. The cubic root of 71441620 is about 414.9385305966.

The spelling of 71441620 in words is "seventy-one million, four hundred forty-one thousand, six hundred twenty".