71034628 has 48 divisors (see below), whose sum is σ = 146168064. Its totient is φ = 29577600.

The previous prime is 71034617. The next prime is 71034629. The reversal of 71034628 is 82643017.

It is a self number, because there is not a number n which added to its sum of digits gives 71034628.

It is not an unprimeable number, because it can be changed into a prime (71034629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223926 + ... + 224242.

It is an arithmetic number, because the mean of its divisors is an integer number (3045168).

Almost surely, 2^71034628 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 71034628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73084032).

71034628 is an abundant number, since it is smaller than the sum of its proper divisors (75133436).

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

71034628 is a wasteful number, since it uses less digits than its factorization.

71034628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 71034628 is about 8428.2043164603. The cubic root of 71034628 is about 414.1490824222.

The spelling of 71034628 in words is "seventy-one million, thirty-four thousand, six hundred twenty-eight".