748662754009 has 3 divisors (see below), whose sum is σ = 748663619263. Its totient is φ = 748661888756.

The previous prime is 748662753953. The next prime is 748662754043. The reversal of 748662754009 is 900457266847.

It is a happy number.

The square root of 748662754009 is 865253.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 643019553225 + 105643200784 = 801885^2 + 325028^2 .

It is not a de Polignac number, because 748662754009 - 2³⁹ = 198906940121 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748662754409) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 432627 + ... + 1297879.

Almost surely, 2^748662754009 is an apocalyptic number.

748662754009 is the 865253-rd square number.

748662754009 is the 432627-th centered octagonal number.

It is an amenable number.

748662754009 is a deficient number, since it is larger than the sum of its proper divisors (865254).

748662754009 is an frugal number, since it uses more digits than its factorization.

748662754009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730506 (or 865253 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 748662754009 in words is "seven hundred forty-eight billion, six hundred sixty-two million, seven hundred fifty-four thousand, nine".