748497447 has 6 divisors (see below), whose sum is σ = 1081162992. Its totient is φ = 498998292.

The previous prime is 748497439. The next prime is 748497461. The reversal of 748497447 is 744794847.

It is a happy number.

748497447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 748497447 - 2³ = 748497439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 748497393 and 748497402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748497247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41583183 + ... + 41583200.

It is an arithmetic number, because the mean of its divisors is an integer number (180193832).

Almost surely, 2^748497447 is an apocalyptic number.

748497447 is a deficient number, since it is larger than the sum of its proper divisors (332665545).

748497447 is a wasteful number, since it uses less digits than its factorization.

748497447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83166389 (or 83166386 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 748497447 is about 27358.6813826983. The cubic root of 748497447 is about 907.9531530068.

The spelling of 748497447 in words is "seven hundred forty-eight million, four hundred ninety-seven thousand, four hundred forty-seven".