61743107 has 2 divisors, whose sum is σ = 61743108. Its totient is φ = 61743106.

The previous prime is 61743079. The next prime is 61743131. The reversal of 61743107 is 70134716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61743107 - 2¹⁴ = 61726723 is a prime.

It is a super-3 number, since 3×61743107³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 61743107.

It is not a weakly prime, because it can be changed into another prime (61743137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30871553 + 30871554.

It is an arithmetic number, because the mean of its divisors is an integer number (30871554).

Almost surely, 2^61743107 is an apocalyptic number.

61743107 is a deficient number, since it is larger than the sum of its proper divisors (1).

61743107 is an equidigital number, since it uses as much as digits as its factorization.

61743107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 61743107 is about 7857.6782194233. The cubic root of 61743107 is about 395.2417619484.

The spelling of 61743107 in words is "sixty-one million, seven hundred forty-three thousand, one hundred seven".