745748448 has 48 divisors (see below), whose sum is σ = 1976997456. Its totient is φ = 246118400.

The previous prime is 745748413. The next prime is 745748473. The reversal of 745748448 is 844847547.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×745748448² = 1112281495388817408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745748448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28761 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (41187447).

Almost surely, 2^745748448 is an apocalyptic number.

It is an amenable number.

745748448 is an abundant number, since it is smaller than the sum of its proper divisors (1231249008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745748448 is a wasteful number, since it uses less digits than its factorization.

745748448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77027 (or 77019 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 51.

The square root of 745748448 is about 27308.3951926875. The cubic root of 745748448 is about 906.8402459860.

Subtracting 745748448 from its reverse (844847547), we obtain a palindrome (99099099).

The spelling of 745748448 in words is "seven hundred forty-five million, seven hundred forty-eight thousand, four hundred forty-eight".