71034572 has 24 divisors (see below), whose sum is σ = 146969760. Its totient is φ = 29393280.

The previous prime is 71034571. The next prime is 71034589. The reversal of 71034572 is 27543017.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (71034571) 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, 42929 + ... + 44552.

It is an arithmetic number, because the mean of its divisors is an integer number (6123740).

Almost surely, 2^71034572 is an apocalyptic number.

It is an amenable number.

71034572 is an abundant number, since it is smaller than the sum of its proper divisors (75935188).

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

71034572 is a wasteful number, since it uses less digits than its factorization.

71034572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87521 (or 87519 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71034572 is about 8428.2009942810. The cubic root of 71034572 is about 414.1489735910.

Adding to 71034572 its reverse (27543017), we get a palindrome (98577589).

The spelling of 71034572 in words is "seventy-one million, thirty-four thousand, five hundred seventy-two".