71452192 has 36 divisors (see below), whose sum is σ = 163641870. Its totient is φ = 30621696.

The previous prime is 71452189. The next prime is 71452193. The reversal of 71452192 is 29125417.

It can be written as a sum of positive squares in only one way, i.e., 44036496 + 27415696 = 6636^2 + 5236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71452193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21217 + ... + 24352.

Almost surely, 2^71452192 is an apocalyptic number.

It is an amenable number.

71452192 is an abundant number, since it is smaller than the sum of its proper divisors (92189678).

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

71452192 is a wasteful number, since it uses less digits than its factorization.

71452192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45593 (or 45578 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 71452192 is about 8452.9398436284. The cubic root of 71452192 is about 414.9589972554.

The spelling of 71452192 in words is "seventy-one million, four hundred fifty-two thousand, one hundred ninety-two".