745235400 has 192 divisors, whose sum is σ = 2843568000. Its totient is φ = 157224960.

The previous prime is 745235399. The next prime is 745235411. The reversal of 745235400 is 4532547.

745235400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 27299²-1.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47776 + ... + 61424.

It is an arithmetic number, because the mean of its divisors is an integer number (14810250).

Almost surely, 2^745235400 is an apocalyptic number.

745235400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745235400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421784000).

745235400 is an abundant number, since it is smaller than the sum of its proper divisors (2098332600).

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

745235400 is a wasteful number, since it uses less digits than its factorization.

745235400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 745235400 is about 27298.9999816843. Note that the first 4 decimals coincide. The cubic root of 745235400 is about 906.6322404989.

Adding to 745235400 its reverse (4532547), we get a palindrome (749767947).

The spelling of 745235400 in words is "seven hundred forty-five million, two hundred thirty-five thousand, four hundred".