71411628 has 48 divisors (see below), whose sum is σ = 181216224. Its totient is φ = 21795840.

The previous prime is 71411621. The next prime is 71411629. The reversal of 71411628 is 82611417.

It is a super-2 number, since 2×71411628² = 10199241227220768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71411595 and 71411604.

It is not an unprimeable number, because it can be changed into a prime (71411621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2818 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (3775338).

Almost surely, 2^71411628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71411628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90608112).

71411628 is an abundant number, since it is smaller than the sum of its proper divisors (109804596).

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

71411628 is a wasteful number, since it uses less digits than its factorization.

71411628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522 (or 9520 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 71411628 is about 8450.5401010823. The cubic root of 71411628 is about 414.8804571734.

The spelling of 71411628 in words is "seventy-one million, four hundred eleven thousand, six hundred twenty-eight".