71556465 has 8 divisors (see below), whose sum is σ = 114490368. Its totient is φ = 38163440.

The previous prime is 71556449. The next prime is 71556467. The reversal of 71556465 is 56465517.

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

It is not a de Polignac number, because 71556465 - 2⁴ = 71556449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71556467) 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, 2385201 + ... + 2385230.

It is an arithmetic number, because the mean of its divisors is an integer number (14311296).

Almost surely, 2^71556465 is an apocalyptic number.

It is an amenable number.

71556465 is a deficient number, since it is larger than the sum of its proper divisors (42933903).

71556465 is a wasteful number, since it uses less digits than its factorization.

71556465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770439.

The product of its digits is 126000, while the sum is 39.

The square root of 71556465 is about 8459.1054491595. The cubic root of 71556465 is about 415.1607544831.

The spelling of 71556465 in words is "seventy-one million, five hundred fifty-six thousand, four hundred sixty-five".