745551025331772 has 48 divisors (see below), whose sum is σ = 1897963297219584. Its totient is φ = 225901094688000.

The previous prime is 745551025331743. The next prime is 745551025331773. The reversal of 745551025331772 is 277133520155547.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745551025331773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291954429 + ... + 294497012.

It is an arithmetic number, because the mean of its divisors is an integer number (39540902025408).

Almost surely, 2^{745551025331772} is an apocalyptic number.

It is an amenable number.

745551025331772 is an abundant number, since it is smaller than the sum of its proper divisors (1152412271887812).

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

745551025331772 is a wasteful number, since it uses less digits than its factorization.

745551025331772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586461090 (or 586461088 counting only the distinct ones).

The product of its (nonzero) digits is 30870000, while the sum is 57.

The spelling of 745551025331772 in words is "seven hundred forty-five trillion, five hundred fifty-one billion, twenty-five million, three hundred thirty-one thousand, seven hundred seventy-two".