76405450753 has 4 divisors (see below), whose sum is σ = 77657999188. Its totient is φ = 75152902320.

The previous prime is 76405450741. The next prime is 76405450763. The reversal of 76405450753 is 35705450467.

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 2686141584 + 73719309169 = 51828^2 + 271513^2 .

It is a cyclic number.

It is not a de Polignac number, because 76405450753 - 2¹⁷ = 76405319681 is a prime.

It is a super-3 number, since 3×76405450753³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76405450733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626274126 + ... + 626274247.

It is an arithmetic number, because the mean of its divisors is an integer number (19414499797).

Almost surely, 2^76405450753 is an apocalyptic number.

It is an amenable number.

76405450753 is a deficient number, since it is larger than the sum of its proper divisors (1252548435).

76405450753 is a wasteful number, since it uses less digits than its factorization.

76405450753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252548434.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 76405450753 in words is "seventy-six billion, four hundred five million, four hundred fifty thousand, seven hundred fifty-three".