745779194780 has 24 divisors (see below), whose sum is σ = 1616656836480. Its totient is φ = 288688720320.

The previous prime is 745779194759. The next prime is 745779194801. The reversal of 745779194780 is 87491977547.

It is an interprime number because it is at equal distance from previous prime (745779194759) and next prime (745779194801).

It is a self number, because there is not a number n which added to its sum of digits gives 745779194780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601434215 + ... + 601435454.

It is an arithmetic number, because the mean of its divisors is an integer number (67360701520).

Almost surely, 2^745779194780 is an apocalyptic number.

It is an amenable number.

745779194780 is an abundant number, since it is smaller than the sum of its proper divisors (870877641700).

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

745779194780 is a wasteful number, since it uses less digits than its factorization.

745779194780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202869709 (or 1202869707 counting only the distinct ones).

The product of its (nonzero) digits is 124467840, while the sum is 68.

The spelling of 745779194780 in words is "seven hundred forty-five billion, seven hundred seventy-nine million, one hundred ninety-four thousand, seven hundred eighty".