745072741469784 has 128 divisors (see below), whose sum is σ = 2427386307171840. Its totient is φ = 184943718623232.

The previous prime is 745072741469783. The next prime is 745072741469807. The reversal of 745072741469784 is 487964147270547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745072741469783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10033801774 + ... + 10033876029.

It is an arithmetic number, because the mean of its divisors is an integer number (18963955524780).

Almost surely, 2^{745072741469784} is an apocalyptic number.

It is an amenable number.

745072741469784 is an abundant number, since it is smaller than the sum of its proper divisors (1682313565702056).

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

745072741469784 is a wasteful number, since it uses less digits than its factorization.

745072741469784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20067677849 (or 20067677845 counting only the distinct ones).

The product of its (nonzero) digits is 2655313920, while the sum is 75.

The spelling of 745072741469784 in words is "seven hundred forty-five trillion, seventy-two billion, seven hundred forty-one million, four hundred sixty-nine thousand, seven hundred eighty-four".