71525486 has 8 divisors (see below), whose sum is σ = 107687880. Its totient is φ = 35629528.

The previous prime is 71525483. The next prime is 71525491. The reversal of 71525486 is 68452517.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71525483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65936 + ... + 67011.

It is an arithmetic number, because the mean of its divisors is an integer number (13460985).

Almost surely, 2^71525486 is an apocalyptic number.

71525486 is a deficient number, since it is larger than the sum of its proper divisors (36162394).

71525486 is a wasteful number, since it uses less digits than its factorization.

71525486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133218.

The product of its digits is 67200, while the sum is 38.

The square root of 71525486 is about 8457.2741471469. The cubic root of 71525486 is about 415.1008338713.

The spelling of 71525486 in words is "seventy-one million, five hundred twenty-five thousand, four hundred eighty-six".