61743419 has 2 divisors, whose sum is σ = 61743420. Its totient is φ = 61743418.

The previous prime is 61743401. The next prime is 61743427. The reversal of 61743419 is 91434716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61743419 - 2¹² = 61739323 is a prime.

It is a super-2 number, since 2×61743419² = 7624499579619122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61743449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30871709 + 30871710.

It is an arithmetic number, because the mean of its divisors is an integer number (30871710).

Almost surely, 2^61743419 is an apocalyptic number.

61743419 is a deficient number, since it is larger than the sum of its proper divisors (1).

61743419 is an equidigital number, since it uses as much as digits as its factorization.

61743419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 61743419 is about 7857.6980725910. The cubic root of 61743419 is about 395.2424276919.

The spelling of 61743419 in words is "sixty-one million, seven hundred forty-three thousand, four hundred nineteen".