75435457616 has 40 divisors (see below), whose sum is σ = 146461474824. Its totient is φ = 37639042560.

The previous prime is 75435457589. The next prime is 75435457649. The reversal of 75435457616 is 61675453457.

It can be written as a sum of positive squares in 4 ways, for example, as 3022800400 + 72412657216 = 54980^2 + 269096^2 .

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, 21794126 + ... + 21797586.

Almost surely, 2^75435457616 is an apocalyptic number.

It is an amenable number.

75435457616 is a deficient number, since it is larger than the sum of its proper divisors (71026017208).

75435457616 is a wasteful number, since it uses less digits than its factorization.

75435457616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919 (or 5913 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 53.

The spelling of 75435457616 in words is "seventy-five billion, four hundred thirty-five million, four hundred fifty-seven thousand, six hundred sixteen".