745311888 has 40 divisors (see below), whose sum is σ = 2139322400. Its totient is φ = 248437152.

The previous prime is 745311881. The next prime is 745311907. The reversal of 745311888 is 888113547.

It is a happy number.

745311888 is a `hidden beast` number, since 7 + 453 + 118 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (745311881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862198 + ... + 863061.

It is an arithmetic number, because the mean of its divisors is an integer number (53483060).

Almost surely, 2^745311888 is an apocalyptic number.

It is an amenable number.

745311888 is an abundant number, since it is smaller than the sum of its proper divisors (1394010512).

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

745311888 is a wasteful number, since it uses less digits than its factorization.

745311888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725276 (or 1725264 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 745311888 is about 27300.4008761776. The cubic root of 745311888 is about 906.6632571479.

The spelling of 745311888 in words is "seven hundred forty-five million, three hundred eleven thousand, eight hundred eighty-eight".