71920750 has 32 divisors (see below), whose sum is σ = 146880864. Its totient is φ = 26152000.

The previous prime is 71920733. The next prime is 71920759. The reversal of 71920750 is 5702917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71920759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10327 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (4590027).

Almost surely, 2^71920750 is an apocalyptic number.

71920750 is an abundant number, since it is smaller than the sum of its proper divisors (74960114).

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

71920750 is a wasteful number, since it uses less digits than its factorization.

71920750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26181 (or 26171 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 71920750 is about 8480.6102374770. The cubic root of 71920750 is about 415.8640727938.

The spelling of 71920750 in words is "seventy-one million, nine hundred twenty thousand, seven hundred fifty".