71875770 has 32 divisors (see below), whose sum is σ = 173828160. Its totient is φ = 19019520.

The previous prime is 71875757. The next prime is 71875787. The reversal of 71875770 is 7757817.

It is a super-2 number, since 2×71875770² = 10332252626185800, which contains 22 as substring.

It is an unprimeable number.

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, 5215 + ... + 13074.

It is an arithmetic number, because the mean of its divisors is an integer number (5432130).

Almost surely, 2^71875770 is an apocalyptic number.

71875770 is an abundant number, since it is smaller than the sum of its proper divisors (101952390).

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

71875770 is a wasteful number, since it uses less digits than its factorization.

71875770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430.

The product of its (nonzero) digits is 96040, while the sum is 42.

The square root of 71875770 is about 8477.9578909075. The cubic root of 71875770 is about 415.7773594466. Note that the first 3 decimals are identical.

The spelling of 71875770 in words is "seventy-one million, eight hundred seventy-five thousand, seven hundred seventy".