71942850 has 192 divisors, whose sum is σ = 237127680. Its totient is φ = 15681600.

The previous prime is 71942839. The next prime is 71942879. The reversal of 71942850 is 5824917.

It is a super-2 number, since 2×71942850² = 10351547332245000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 217185 + ... + 217515.

It is an arithmetic number, because the mean of its divisors is an integer number (1235040).

Almost surely, 2^71942850 is an apocalyptic number.

71942850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 71942850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118563840).

71942850 is an abundant number, since it is smaller than the sum of its proper divisors (165184830).

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

71942850 is a wasteful number, since it uses less digits than its factorization.

71942850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 371 counting only the distinct ones).

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

The square root of 71942850 is about 8481.9131096705. The cubic root of 71942850 is about 415.9066643722.

The spelling of 71942850 in words is "seventy-one million, nine hundred forty-two thousand, eight hundred fifty".