745897248 has 72 divisors (see below), whose sum is σ = 2199729168. Its totient is φ = 248629824.

The previous prime is 745897247. The next prime is 745897301. The reversal of 745897248 is 842798547.

It is a happy number.

745897248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 745897194 and 745897203.

It is not an unprimeable number, because it can be changed into a prime (745897247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40186 + ... + 55737.

It is an arithmetic number, because the mean of its divisors is an integer number (30551794).

Almost surely, 2^745897248 is an apocalyptic number.

It is an amenable number.

745897248 is an abundant number, since it is smaller than the sum of its proper divisors (1453831920).

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

745897248 is an equidigital number, since it uses as much as digits as its factorization.

745897248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95948 (or 95928 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 745897248 is about 27311.1194937154. The cubic root of 745897248 is about 906.9005562489.

The spelling of 745897248 in words is "seven hundred forty-five million, eight hundred ninety-seven thousand, two hundred forty-eight".