76311073 has 4 divisors (see below), whose sum is σ = 76334148. Its totient is φ = 76288000.

The previous prime is 76311071. The next prime is 76311091. The reversal of 76311073 is 37011367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37011367 = 347 ⋅106661.

It can be written as a sum of positive squares in 2 ways, for example, as 1868689 + 74442384 = 1367^2 + 8628^2 .

It is a cyclic number.

It is not a de Polignac number, because 76311073 - 2¹ = 76311071 is a prime.

It is a super-3 number, since 3×76311073³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76311071) 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, 5536 + ... + 13537.

It is an arithmetic number, because the mean of its divisors is an integer number (19083537).

Almost surely, 2^76311073 is an apocalyptic number.

It is an amenable number.

76311073 is a deficient number, since it is larger than the sum of its proper divisors (23075).

76311073 is a wasteful number, since it uses less digits than its factorization.

76311073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23074.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 76311073 is about 8735.6209281310. The cubic root of 76311073 is about 424.1594885498.

The spelling of 76311073 in words is "seventy-six million, three hundred eleven thousand, seventy-three".