75673345634440 has 16 divisors (see below), whose sum is σ = 170265027677580. Its totient is φ = 30269338253760.

The previous prime is 75673345634407. The next prime is 75673345634483. The reversal of 75673345634440 is 4443654337657.

It can be written as a sum of positive squares in 2 ways, for example, as 74865860080036 + 807485554404 = 8652506^2 + 898602^2 .

It is a super-2 number, since 2×75673345634440² (a number of 29 digits) contains 22 as substring.

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, 945916820391 + ... + 945916820470.

Almost surely, 2^{75673345634440} is an apocalyptic number.

It is an amenable number.

75673345634440 is an abundant number, since it is smaller than the sum of its proper divisors (94591682043140).

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

75673345634440 is a wasteful number, since it uses less digits than its factorization.

75673345634440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891833640872 (or 1891833640868 counting only the distinct ones).

The product of its (nonzero) digits is 304819200, while the sum is 61.

The spelling of 75673345634440 in words is "seventy-five trillion, six hundred seventy-three billion, three hundred forty-five million, six hundred thirty-four thousand, four hundred forty".