61452743 has 8 divisors (see below), whose sum is σ = 67704336. Its totient is φ = 55312000.

The previous prime is 61452709. The next prime is 61452749. The reversal of 61452743 is 34725416.

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 61452743 - 2⁸ = 61452487 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61452749) 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, 26546 + ... + 28767.

It is an arithmetic number, because the mean of its divisors is an integer number (8463042).

Almost surely, 2^61452743 is an apocalyptic number.

61452743 is a deficient number, since it is larger than the sum of its proper divisors (6251593).

61452743 is a wasteful number, since it uses less digits than its factorization.

61452743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55425.

The product of its digits is 20160, while the sum is 32.

The square root of 61452743 is about 7839.1799953822. The cubic root of 61452743 is about 394.6212103373.

It can be divided in two parts, 6145 and 2743, that added together give a palindrome (8888).

The spelling of 61452743 in words is "sixty-one million, four hundred fifty-two thousand, seven hundred forty-three".