71341020 has 48 divisors (see below), whose sum is σ = 221951520. Its totient is φ = 19024128.

The previous prime is 71340979. The next prime is 71341031. The reversal of 71341020 is 2014317.

It is a super-2 number, since 2×71341020² = 10179082269280800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 71340984 and 71341002.

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 15 ways as a sum of consecutive naturals, for example, 65517 + ... + 66596.

It is an arithmetic number, because the mean of its divisors is an integer number (4623990).

Almost surely, 2^71341020 is an apocalyptic number.

It is an amenable number.

71341020 is an abundant number, since it is smaller than the sum of its proper divisors (150610500).

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

71341020 is a wasteful number, since it uses less digits than its factorization.

71341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132131 (or 132123 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 71341020 is about 8446.3613467575. The cubic root of 71341020 is about 414.7436748771.

Adding to 71341020 its reverse (2014317), we get a palindrome (73355337).

The spelling of 71341020 in words is "seventy-one million, three hundred forty-one thousand, twenty".