71353452 has 24 divisors (see below), whose sum is σ = 173730816. Its totient is φ = 22750288.

The previous prime is 71353439. The next prime is 71353481. The reversal of 71353452 is 25435317.

It is a super-2 number, since 2×71353452² = 10182630224632608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128988 + ... + 129539.

It is an arithmetic number, because the mean of its divisors is an integer number (7238784).

Almost surely, 2^71353452 is an apocalyptic number.

It is an amenable number.

71353452 is an abundant number, since it is smaller than the sum of its proper divisors (102377364).

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

71353452 is a wasteful number, since it uses less digits than its factorization.

71353452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258557 (or 258555 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 71353452 is about 8447.0972529029. The cubic root of 71353452 is about 414.7677647761.

Adding to 71353452 its reverse (25435317), we get a palindrome (96788769).

The spelling of 71353452 in words is "seventy-one million, three hundred fifty-three thousand, four hundred fifty-two".