71001152 has 14 divisors (see below), whose sum is σ = 140893038. Its totient is φ = 35500544.

The previous prime is 71001149. The next prime is 71001179. The reversal of 71001152 is 25110017.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 20647936 = 7096^2 + 4544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71001152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554633 + ... + 554760.

Almost surely, 2^71001152 is an apocalyptic number.

It is an amenable number.

71001152 is a deficient number, since it is larger than the sum of its proper divisors (69891886).

71001152 is a wasteful number, since it uses less digits than its factorization.

71001152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109405 (or 1109395 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 71001152 is about 8426.2181315226. The cubic root of 71001152 is about 414.0840144710.

Adding to 71001152 its reverse (25110017), we get a palindrome (96111169).

The spelling of 71001152 in words is "seventy-one million, one thousand, one hundred fifty-two".