75920743 has 2 divisors, whose sum is σ = 75920744. Its totient is φ = 75920742.

The previous prime is 75920729. The next prime is 75920777. The reversal of 75920743 is 34702957.

It is a weak prime.

It is an emirp because it is prime and its reverse (34702957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75920743 - 2⁵ = 75920711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75980743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37960371 + 37960372.

It is an arithmetic number, because the mean of its divisors is an integer number (37960372).

Almost surely, 2^75920743 is an apocalyptic number.

75920743 is a deficient number, since it is larger than the sum of its proper divisors (1).

75920743 is an equidigital number, since it uses as much as digits as its factorization.

75920743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 75920743 is about 8713.2510006312. The cubic root of 75920743 is about 423.4350621801.

The spelling of 75920743 in words is "seventy-five million, nine hundred twenty thousand, seven hundred forty-three".