71748485 has 8 divisors (see below), whose sum is σ = 87723000. Its totient is φ = 56315584.

The previous prime is 71748451. The next prime is 71748557. The reversal of 71748485 is 58484717.

It can be written as a sum of positive squares in 4 ways, for example, as 3751969 + 67996516 = 1937^2 + 8246^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71748485 - 2⁶ = 71748421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135110 + ... + 135639.

It is an arithmetic number, because the mean of its divisors is an integer number (10965375).

Almost surely, 2^71748485 is an apocalyptic number.

It is an amenable number.

71748485 is a deficient number, since it is larger than the sum of its proper divisors (15974515).

71748485 is a wasteful number, since it uses less digits than its factorization.

71748485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270807.

The product of its digits is 250880, while the sum is 44.

The square root of 71748485 is about 8470.4477449542. The cubic root of 71748485 is about 415.5317806653.

The spelling of 71748485 in words is "seventy-one million, seven hundred forty-eight thousand, four hundred eighty-five".