48745709 has 2 divisors, whose sum is σ = 48745710. Its totient is φ = 48745708.

The previous prime is 48745693. The next prime is 48745727. The reversal of 48745709 is 90754784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46280809 + 2464900 = 6803^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 48745709 - 2⁴ = 48745693 is a prime.

It is a super-2 number, since 2×48745709² = 4752288291825362, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48745709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48745729) 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, 24372854 + 24372855.

It is an arithmetic number, because the mean of its divisors is an integer number (24372855).

Almost surely, 2^48745709 is an apocalyptic number.

It is an amenable number.

48745709 is a deficient number, since it is larger than the sum of its proper divisors (1).

48745709 is an equidigital number, since it uses as much as digits as its factorization.

48745709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 48745709 is about 6981.8127302299. The cubic root of 48745709 is about 365.2964602136.

The spelling of 48745709 in words is "forty-eight million, seven hundred forty-five thousand, seven hundred nine".