61471743 has 8 divisors (see below), whose sum is σ = 82265856. Its totient is φ = 40829400.

The previous prime is 61471741. The next prime is 61471747. The reversal of 61471743 is 34717416.

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

It is not a de Polignac number, because 61471743 - 2¹ = 61471741 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61471741) 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, 36993 + ... + 38618.

It is an arithmetic number, because the mean of its divisors is an integer number (10283232).

Almost surely, 2^61471743 is an apocalyptic number.

61471743 is a deficient number, since it is larger than the sum of its proper divisors (20794113).

61471743 is a wasteful number, since it uses less digits than its factorization.

61471743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75885.

The product of its digits is 14112, while the sum is 33.

The square root of 61471743 is about 7840.3917631710. The cubic root of 61471743 is about 394.6618758961.

The spelling of 61471743 in words is "sixty-one million, four hundred seventy-one thousand, seven hundred forty-three".