71535248 has 10 divisors (see below), whose sum is σ = 138599574. Its totient is φ = 35767616.

The previous prime is 71535241. The next prime is 71535281. The reversal of 71535248 is 84253517.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62220544 + 9314704 = 7888^2 + 3052^2 .

It is not an unprimeable number, because it can be changed into a prime (71535241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235461 + ... + 2235492.

Almost surely, 2^71535248 is an apocalyptic number.

It is an amenable number.

71535248 is a deficient number, since it is larger than the sum of its proper divisors (67064326).

71535248 is a wasteful number, since it uses less digits than its factorization.

71535248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470961 (or 4470955 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 71535248 is about 8457.8512637667. The cubic root of 71535248 is about 415.1197177230.

The spelling of 71535248 in words is "seventy-one million, five hundred thirty-five thousand, two hundred forty-eight".