745286400 has 432 divisors, whose sum is σ = 2889398400. Its totient is φ = 187453440.

The previous prime is 745286329. The next prime is 745286501. The reversal of 745286400 is 4682547.

745286400 is a `hidden beast` number, since 7 + 4 + 5 + 2 + 8 + 640 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3283087 + ... + 3283313.

Almost surely, 2^745286400 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 745286400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444699200).

745286400 is an abundant number, since it is smaller than the sum of its proper divisors (2144112000).

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

745286400 is a wasteful number, since it uses less digits than its factorization.

745286400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 745286400 is about 27299.9340658544. The cubic root of 745286400 is about 906.6529217447.

The spelling of 745286400 in words is "seven hundred forty-five million, two hundred eighty-six thousand, four hundred".