71875748 has 18 divisors (see below), whose sum is σ = 146318886. Its totient is φ = 30803808.

The previous prime is 71875729. The next prime is 71875753. The reversal of 71875748 is 84757817.

It can be written as a sum of positive squares in only one way, i.e., 40043584 + 31832164 = 6328^2 + 5642^2 .

It is a super-2 number, since 2×71875748² = 10332246301119008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183161 + ... + 183552.

It is an arithmetic number, because the mean of its divisors is an integer number (8128827).

Almost surely, 2^71875748 is an apocalyptic number.

It is an amenable number.

71875748 is an abundant number, since it is smaller than the sum of its proper divisors (74443138).

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

71875748 is a wasteful number, since it uses less digits than its factorization.

71875748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366731 (or 366722 counting only the distinct ones).

The product of its digits is 439040, while the sum is 47.

The square root of 71875748 is about 8477.9565934251. The cubic root of 71875748 is about 415.7773170257. Note that the first 3 decimals are identical.

The spelling of 71875748 in words is "seventy-one million, eight hundred seventy-five thousand, seven hundred forty-eight".