71942750 has 32 divisors (see below), whose sum is σ = 146925792. Its totient is φ = 26160000.

The previous prime is 71942743. The next prime is 71942753. The reversal of 71942750 is 5724917.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 71942750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71942753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10331 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (4591431).

Almost surely, 2^71942750 is an apocalyptic number.

71942750 is an abundant number, since it is smaller than the sum of its proper divisors (74983042).

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

71942750 is a wasteful number, since it uses less digits than its factorization.

71942750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26189 (or 26179 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 71942750 is about 8481.9072147719. The cubic root of 71942750 is about 415.9064716698.

The spelling of 71942750 in words is "seventy-one million, nine hundred forty-two thousand, seven hundred fifty".