61395743 has 8 divisors (see below), whose sum is σ = 62143536. Its totient is φ = 60652800.

The previous prime is 61395739. The next prime is 61395749. The reversal of 61395743 is 34759316.

It is a happy number.

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 61395743 - 2² = 61395739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61395697 and 61395706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61395749) 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, 28463 + ... + 30543.

It is an arithmetic number, because the mean of its divisors is an integer number (7767942).

Almost surely, 2^61395743 is an apocalyptic number.

61395743 is a deficient number, since it is larger than the sum of its proper divisors (747793).

61395743 is a wasteful number, since it uses less digits than its factorization.

61395743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its digits is 68040, while the sum is 38.

The square root of 61395743 is about 7835.5435676155. The cubic root of 61395743 is about 394.4991633464.

The spelling of 61395743 in words is "sixty-one million, three hundred ninety-five thousand, seven hundred forty-three".