70550 has 24 divisors (see below), whose sum is σ = 140616. Its totient is φ = 26240.

The previous prime is 70549. The next prime is 70571. The reversal of 70550 is 5507.

70550 = T₂₅ + T₂₆ + ... + T₇₅.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (5859).

2⁷⁰⁵⁵⁰ is an apocalyptic number.

70550 is a deficient number, since it is larger than the sum of its proper divisors (70066).

70550 is a wasteful number, since it uses less digits than its factorization.

70550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 17.

The square root of 70550 is about 265.6124997059. The cubic root of 70550 is about 41.3205099543.

The spelling of 70550 in words is "seventy thousand, five hundred fifty".