71151552 has 42 divisors (see below), whose sum is σ = 203944728. Its totient is φ = 23716992.

The previous prime is 71151551. The next prime is 71151569. The reversal of 71151552 is 25515117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71151551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61188 + ... + 62339.

Almost surely, 2^71151552 is an apocalyptic number.

71151552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71151552 is an abundant number, since it is smaller than the sum of its proper divisors (132793176).

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

71151552 is a wasteful number, since it uses less digits than its factorization.

71151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123545 (or 123532 counting only the distinct ones).

The product of its digits is 1750, while the sum is 27.

The square root of 71151552 is about 8435.1379360387. The cubic root of 71151552 is about 414.3761896050.

Adding to 71151552 its reverse (25515117), we get a palindrome (96666669).

The spelling of 71151552 in words is "seventy-one million, one hundred fifty-one thousand, five hundred fifty-two".