749575051 has 2 divisors, whose sum is σ = 749575052. Its totient is φ = 749575050.

The previous prime is 749575039. The next prime is 749575081. The reversal of 749575051 is 150575947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749575051 - 2²³ = 741186443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 749574989 and 749575007.

It is not a weakly prime, because it can be changed into another prime (749575031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374787525 + 374787526.

It is an arithmetic number, because the mean of its divisors is an integer number (374787526).

Almost surely, 2^749575051 is an apocalyptic number.

749575051 is a deficient number, since it is larger than the sum of its proper divisors (1).

749575051 is an equidigital number, since it uses as much as digits as its factorization.

749575051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 43.

The square root of 749575051 is about 27378.3683041923. The cubic root of 749575051 is about 908.3886676463.

It can be divided in two parts, 74957 and 5051, that added together give a palindrome (80008).

The spelling of 749575051 in words is "seven hundred forty-nine million, five hundred seventy-five thousand, fifty-one".