61443703 has 2 divisors, whose sum is σ = 61443704. Its totient is φ = 61443702.

The previous prime is 61443691. The next prime is 61443727. The reversal of 61443703 is 30734416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61443703 - 2⁵ = 61443671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61443773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30721851 + 30721852.

It is an arithmetic number, because the mean of its divisors is an integer number (30721852).

Almost surely, 2^61443703 is an apocalyptic number.

61443703 is a deficient number, since it is larger than the sum of its proper divisors (1).

61443703 is an equidigital number, since it uses as much as digits as its factorization.

61443703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 61443703 is about 7838.6033832565. The cubic root of 61443703 is about 394.6018591497.

The spelling of 61443703 in words is "sixty-one million, four hundred forty-three thousand, seven hundred three".