745053424 has 40 divisors (see below), whose sum is σ = 1547847360. Its totient is φ = 346165248.

The previous prime is 745053319. The next prime is 745053427. The reversal of 745053424 is 424350547.

It is a super-2 number, since 2×745053424² = 1110209209228247552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 745053424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745053427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4152 + ... + 38824.

It is an arithmetic number, because the mean of its divisors is an integer number (38696184).

Almost surely, 2^745053424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745053424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773923680).

745053424 is an abundant number, since it is smaller than the sum of its proper divisors (802793936).

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

745053424 is a wasteful number, since it uses less digits than its factorization.

745053424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34777 (or 34771 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 745053424 is about 27295.6667623269. Note that the first 3 decimals coincide. The cubic root of 745053424 is about 906.5584388789.

The spelling of 745053424 in words is "seven hundred forty-five million, fifty-three thousand, four hundred twenty-four".