732374561645 has 4 divisors (see below), whose sum is σ = 878849473980. Its totient is φ = 585899649312.

The previous prime is 732374561603. The next prime is 732374561657. The reversal of 732374561645 is 546165473237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338013169321 + 394361392324 = 581389^2 + 627982^2 .

It is a cyclic number.

It is not a de Polignac number, because 732374561645 - 2¹² = 732374557549 is a prime.

It is a super-3 number, since 3×732374561645³ (a number of 37 digits) contains 333 as substring.

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, 73237456160 + ... + 73237456169.

It is an arithmetic number, because the mean of its divisors is an integer number (219712368495).

Almost surely, 2^732374561645 is an apocalyptic number.

It is an amenable number.

732374561645 is a deficient number, since it is larger than the sum of its proper divisors (146474912335).

732374561645 is a wasteful number, since it uses less digits than its factorization.

732374561645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146474912334.

The product of its digits is 12700800, while the sum is 53.

The spelling of 732374561645 in words is "seven hundred thirty-two billion, three hundred seventy-four million, five hundred sixty-one thousand, six hundred forty-five".