75677743 has 2 divisors, whose sum is σ = 75677744. Its totient is φ = 75677742.

The previous prime is 75677737. The next prime is 75677753. The reversal of 75677743 is 34777657.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75677743 - 2⁵ = 75677711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75677693 and 75677702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75677753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37838871 + 37838872.

It is an arithmetic number, because the mean of its divisors is an integer number (37838872).

Almost surely, 2^75677743 is an apocalyptic number.

75677743 is a deficient number, since it is larger than the sum of its proper divisors (1).

75677743 is an equidigital number, since it uses as much as digits as its factorization.

75677743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864360, while the sum is 46.

The square root of 75677743 is about 8699.2955461922. The cubic root of 75677743 is about 422.9828155772.

The spelling of 75677743 in words is "seventy-five million, six hundred seventy-seven thousand, seven hundred forty-three".