75725723 has 2 divisors, whose sum is σ = 75725724. Its totient is φ = 75725722.

The previous prime is 75725681. The next prime is 75725731. The reversal of 75725723 is 32752757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75725723 - 2¹² = 75721627 is a prime.

It is not a weakly prime, because it can be changed into another prime (75725743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37862861 + 37862862.

It is an arithmetic number, because the mean of its divisors is an integer number (37862862).

Almost surely, 2^75725723 is an apocalyptic number.

75725723 is a deficient number, since it is larger than the sum of its proper divisors (1).

75725723 is an equidigital number, since it uses as much as digits as its factorization.

75725723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102900, while the sum is 38.

The square root of 75725723 is about 8702.0528037929. The cubic root of 75725723 is about 423.0721876402.

The spelling of 75725723 in words is "seventy-five million, seven hundred twenty-five thousand, seven hundred twenty-three".