71486013 has 8 divisors (see below), whose sum is σ = 97342848. Its totient is φ = 46643264.

The previous prime is 71485987. The next prime is 71486027. The reversal of 71486013 is 31068417.

It is a happy number.

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 71486013 - 2⁶ = 71485949 is a prime.

It is a super-2 number, since 2×71486013² = 10220500109272338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71486033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253356 + ... + 253637.

It is an arithmetic number, because the mean of its divisors is an integer number (12167856).

Almost surely, 2^71486013 is an apocalyptic number.

It is an amenable number.

71486013 is a deficient number, since it is larger than the sum of its proper divisors (25856835).

71486013 is a wasteful number, since it uses less digits than its factorization.

71486013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507043.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 71486013 is about 8454.9401535434. The cubic root of 71486013 is about 415.0244588091.

The spelling of 71486013 in words is "seventy-one million, four hundred eighty-six thousand, thirteen".