748661444 has 12 divisors (see below), whose sum is σ = 1320474624. Its totient is φ = 371382984.

The previous prime is 748661437. The next prime is 748661447. The reversal of 748661444 is 444166847.

It is a junction number, because it is equal to n+sod(n) for n = 748661395 and 748661404.

It is not an unprimeable number, because it can be changed into a prime (748661447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736364 + ... + 737379.

It is an arithmetic number, because the mean of its divisors is an integer number (110039552).

Almost surely, 2^748661444 is an apocalyptic number.

It is an amenable number.

748661444 is a deficient number, since it is larger than the sum of its proper divisors (571813180).

748661444 is a wasteful number, since it uses less digits than its factorization.

748661444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473874 (or 1473872 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 748661444 is about 27361.6783841927. The cubic root of 748661444 is about 908.0194594987.

The spelling of 748661444 in words is "seven hundred forty-eight million, six hundred sixty-one thousand, four hundred forty-four".