71273050 has 24 divisors (see below), whose sum is σ = 132804000. Its totient is φ = 28458480.

The previous prime is 71273023. The next prime is 71273051. The reversal of 71273050 is 5037217.

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

It is not an unprimeable number, because it can be changed into a prime (71273051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41101 + ... + 42799.

It is an arithmetic number, because the mean of its divisors is an integer number (5533500).

Almost surely, 2^71273050 is an apocalyptic number.

71273050 is a deficient number, since it is larger than the sum of its proper divisors (61530950).

71273050 is a wasteful number, since it uses less digits than its factorization.

71273050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 71273050 is about 8442.3367618213. The cubic root of 71273050 is about 414.6119176496.

The spelling of 71273050 in words is "seventy-one million, two hundred seventy-three thousand, fifty".