71488260 has 72 divisors (see below), whose sum is σ = 228271680. Its totient is φ = 18059328.

The previous prime is 71488259. The next prime is 71488273. The reversal of 71488260 is 6288417.

It is a super-2 number, since 2×71488260² = 10221142635655200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7032 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (3170440).

Almost surely, 2^71488260 is an apocalyptic number.

It is an amenable number.

71488260 is an abundant number, since it is smaller than the sum of its proper divisors (156783420).

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

71488260 is a wasteful number, since it uses less digits than its factorization.

71488260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20937 (or 20932 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 71488260 is about 8455.0730333924. The cubic root of 71488260 is about 415.0288072131.

The spelling of 71488260 in words is "seventy-one million, four hundred eighty-eight thousand, two hundred sixty".