71470477 has 8 divisors (see below), whose sum is σ = 77033880. Its totient is φ = 65916480.

The previous prime is 71470463. The next prime is 71470501. The reversal of 71470477 is 77407417.

It can be written as a sum of positive squares in 4 ways, for example, as 361 + 71470116 = 19^2 + 8454^2 .

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 71470477 - 2⁷ = 71470349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71476477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28827 + ... + 31207.

It is an arithmetic number, because the mean of its divisors is an integer number (9629235).

Almost surely, 2^71470477 is an apocalyptic number.

It is an amenable number.

71470477 is a deficient number, since it is larger than the sum of its proper divisors (5563403).

71470477 is a wasteful number, since it uses less digits than its factorization.

71470477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 71470477 is about 8454.0213508129. The cubic root of 71470477 is about 414.9943909824.

The spelling of 71470477 in words is "seventy-one million, four hundred seventy thousand, four hundred seventy-seven".