71474765 has 4 divisors (see below), whose sum is σ = 85769724. Its totient is φ = 57179808.

The previous prime is 71474759. The next prime is 71474801. The reversal of 71474765 is 56747417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45454564 + 26020201 = 6742^2 + 5101^2 .

It is a cyclic number.

It is not a de Polignac number, because 71474765 - 2⁶ = 71474701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7147472 + ... + 7147481.

It is an arithmetic number, because the mean of its divisors is an integer number (21442431).

Almost surely, 2^71474765 is an apocalyptic number.

It is an amenable number.

71474765 is a deficient number, since it is larger than the sum of its proper divisors (14294959).

71474765 is a wasteful number, since it uses less digits than its factorization.

71474765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14294958.

The product of its digits is 164640, while the sum is 41.

The square root of 71474765 is about 8454.2749541282. The cubic root of 71474765 is about 415.0026902617.

The spelling of 71474765 in words is "seventy-one million, four hundred seventy-four thousand, seven hundred sixty-five".