71700550 has 12 divisors (see below), whose sum is σ = 133363116. Its totient is φ = 28680200.

The previous prime is 71700539. The next prime is 71700569. The reversal of 71700550 is 5500717.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716956 + ... + 717055.

It is an arithmetic number, because the mean of its divisors is an integer number (11113593).

Almost surely, 2^71700550 is an apocalyptic number.

71700550 is a deficient number, since it is larger than the sum of its proper divisors (61662566).

71700550 is a wasteful number, since it uses less digits than its factorization.

71700550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434023 (or 1434018 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 71700550 is about 8467.6177287358. The cubic root of 71700550 is about 415.4392214361.

The spelling of 71700550 in words is "seventy-one million, seven hundred thousand, five hundred fifty".