745221370162432 has 36 divisors (see below), whose sum is σ = 1491745690404900. Its totient is φ = 371555130687488.

The previous prime is 745221370162427. The next prime is 745221370162519. The reversal of 745221370162432 is 234261073122547.

It can be written as a sum of positive squares in 2 ways, for example, as 560902298757376 + 184319071405056 = 23683376^2 + 13576416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4123168807 + ... + 4123349542.

It is an arithmetic number, because the mean of its divisors is an integer number (41437380289025).

Almost surely, 2^{745221370162432} is an apocalyptic number.

It is an amenable number.

745221370162432 is an abundant number, since it is smaller than the sum of its proper divisors (746524320242468).

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

745221370162432 is an equidigital number, since it uses as much as digits as its factorization.

745221370162432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246518718 (or 8246518704 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 745221370162432 in words is "seven hundred forty-five trillion, two hundred twenty-one billion, three hundred seventy million, one hundred sixty-two thousand, four hundred thirty-two".