71225850 has 24 divisors (see below), whose sum is σ = 176640480. Its totient is φ = 18993520.

The previous prime is 71225837. The next prime is 71225867. The reversal of 71225850 is 5852217.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 237270 + ... + 237569.

It is an arithmetic number, because the mean of its divisors is an integer number (7360020).

Almost surely, 2^71225850 is an apocalyptic number.

71225850 is an abundant number, since it is smaller than the sum of its proper divisors (105414630).

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

71225850 is a wasteful number, since it uses less digits than its factorization.

71225850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474854 (or 474849 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 71225850 is about 8439.5408642888. The cubic root of 71225850 is about 414.5203729771.

It can be divided in two parts, 712 and 25850, that added together give a palindrome (26562).

The spelling of 71225850 in words is "seventy-one million, two hundred twenty-five thousand, eight hundred fifty".