745056128 has 16 divisors (see below), whose sum is σ = 1484291760. Its totient is φ = 372528000.

The previous prime is 745056083. The next prime is 745056131. The reversal of 745056128 is 821650547.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 745056091 and 745056100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910248 + ... + 2910503.

It is an arithmetic number, because the mean of its divisors is an integer number (92768235).

Almost surely, 2^745056128 is an apocalyptic number.

It is an amenable number.

745056128 is a deficient number, since it is larger than the sum of its proper divisors (739235632).

745056128 is an equidigital number, since it uses as much as digits as its factorization.

745056128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820765 (or 5820753 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 745056128 is about 27295.7162939535. The cubic root of 745056128 is about 906.5595355926.

The spelling of 745056128 in words is "seven hundred forty-five million, fifty-six thousand, one hundred twenty-eight".