71429850 has 72 divisors (see below), whose sum is σ = 199049760. Its totient is φ = 19044720.

The previous prime is 71429833. The next prime is 71429861. The reversal of 71429850 is 5892417.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9211 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (2764580).

Almost surely, 2^71429850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71429850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99524880).

71429850 is an abundant number, since it is smaller than the sum of its proper divisors (127619910).

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

71429850 is a wasteful number, since it uses less digits than its factorization.

71429850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906 (or 5889 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 71429850 is about 8451.6181882525. The cubic root of 71429850 is about 414.9157423175.

The spelling of 71429850 in words is "seventy-one million, four hundred twenty-nine thousand, eight hundred fifty".