748567849 has 2 divisors, whose sum is σ = 748567850. Its totient is φ = 748567848.

The previous prime is 748567823. The next prime is 748567877. The reversal of 748567849 is 948765847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746109225 + 2458624 = 27315^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748567849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 748567793 and 748567802.

It is not a weakly prime, because it can be changed into another prime (748567549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374283924 + 374283925.

It is an arithmetic number, because the mean of its divisors is an integer number (374283925).

Almost surely, 2^748567849 is an apocalyptic number.

It is an amenable number.

748567849 is a deficient number, since it is larger than the sum of its proper divisors (1).

748567849 is an equidigital number, since it uses as much as digits as its factorization.

748567849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 58.

The square root of 748567849 is about 27359.9680007123. The cubic root of 748567849 is about 907.9816187970.

The spelling of 748567849 in words is "seven hundred forty-eight million, five hundred sixty-seven thousand, eight hundred forty-nine".