61713471 has 8 divisors (see below), whose sum is σ = 84198400. Its totient is φ = 40185432.

The previous prime is 61713461. The next prime is 61713473. The reversal of 61713471 is 17431716.

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

It is not a de Polignac number, because 61713471 - 2²³ = 53324863 is a prime.

It is a super-3 number, since 3×61713471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61713473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239071 + ... + 239328.

It is an arithmetic number, because the mean of its divisors is an integer number (10524800).

Almost surely, 2^61713471 is an apocalyptic number.

61713471 is a deficient number, since it is larger than the sum of its proper divisors (22484929).

61713471 is a wasteful number, since it uses less digits than its factorization.

61713471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478445.

The product of its digits is 3528, while the sum is 30.

The square root of 61713471 is about 7855.7921942984. The cubic root of 61713471 is about 395.1785146213.

The spelling of 61713471 in words is "sixty-one million, seven hundred thirteen thousand, four hundred seventy-one".