448757493 has 4 divisors (see below), whose sum is σ = 598343328. Its totient is φ = 299171660.

The previous prime is 448757489. The next prime is 448757501. The reversal of 448757493 is 394757844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448757493 - 2² = 448757489 is a prime.

It is a super-3 number, since 3×448757493³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448757453) 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, 74792913 + ... + 74792918.

It is an arithmetic number, because the mean of its divisors is an integer number (149585832).

Almost surely, 2^448757493 is an apocalyptic number.

It is an amenable number.

448757493 is a deficient number, since it is larger than the sum of its proper divisors (149585835).

448757493 is a wasteful number, since it uses less digits than its factorization.

448757493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149585834.

The product of its digits is 3386880, while the sum is 51.

The square root of 448757493 is about 21183.8970210866. The cubic root of 448757493 is about 765.6034897925.

The spelling of 448757493 in words is "four hundred forty-eight million, seven hundred fifty-seven thousand, four hundred ninety-three".