745545078 has 24 divisors (see below), whose sum is σ = 1619011368. Its totient is φ = 247951392.

The previous prime is 745545037. The next prime is 745545083. The reversal of 745545078 is 870545547.

745545078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38775 + ... + 54722.

It is an arithmetic number, because the mean of its divisors is an integer number (67458807).

Almost surely, 2^745545078 is an apocalyptic number.

745545078 is an abundant number, since it is smaller than the sum of its proper divisors (873466290).

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

745545078 is a wasteful number, since it uses less digits than its factorization.

745545078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93948 (or 93945 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The square root of 745545078 is about 27304.6713585789. The cubic root of 745545078 is about 906.7578049304.

The spelling of 745545078 in words is "seven hundred forty-five million, five hundred forty-five thousand, seventy-eight".