748487441 has 16 divisors (see below), whose sum is σ = 858456144. Its totient is φ = 646477824.

The previous prime is 748487429. The next prime is 748487471. The reversal of 748487441 is 144784847.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 153859216 + 594628225 = 12404^2 + 24385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748487441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (748487471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28445 + ... + 48021.

It is an arithmetic number, because the mean of its divisors is an integer number (53653509).

Almost surely, 2^748487441 is an apocalyptic number.

It is an amenable number.

748487441 is a deficient number, since it is larger than the sum of its proper divisors (109968703).

748487441 is a wasteful number, since it uses less digits than its factorization.

748487441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19780.

The product of its digits is 802816, while the sum is 47.

The square root of 748487441 is about 27358.4985150867. The cubic root of 748487441 is about 907.9491071147.

The spelling of 748487441 in words is "seven hundred forty-eight million, four hundred eighty-seven thousand, four hundred forty-one".