748244409 has 48 divisors (see below), whose sum is σ = 1174400256. Its totient is φ = 420076800.

The previous prime is 748244401. The next prime is 748244423. The reversal of 748244409 is 904442847.

It is a happy number.

It is not a de Polignac number, because 748244409 - 2³ = 748244401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (748244401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 638394 + ... + 639564.

It is an arithmetic number, because the mean of its divisors is an integer number (24466672).

Almost surely, 2^748244409 is an apocalyptic number.

It is an amenable number.

748244409 is a deficient number, since it is larger than the sum of its proper divisors (426155847).

748244409 is a wasteful number, since it uses less digits than its factorization.

748244409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 748244409 is about 27354.0565364627. The cubic root of 748244409 is about 907.8508268755.

The spelling of 748244409 in words is "seven hundred forty-eight million, two hundred forty-four thousand, four hundred nine".