76308473 has 4 divisors (see below), whose sum is σ = 76337268. Its totient is φ = 76279680.

The previous prime is 76308469. The next prime is 76308481. The reversal of 76308473 is 37480367.

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 41886784 + 34421689 = 6472^2 + 5867^2 .

It is a cyclic number.

It is not a de Polignac number, because 76308473 - 2² = 76308469 is a prime.

It is a super-3 number, since 3×76308473³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76308493) 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, 9968 + ... + 15873.

It is an arithmetic number, because the mean of its divisors is an integer number (19084317).

Almost surely, 2^76308473 is an apocalyptic number.

It is an amenable number.

76308473 is a deficient number, since it is larger than the sum of its proper divisors (28795).

76308473 is a wasteful number, since it uses less digits than its factorization.

76308473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 76308473 is about 8735.4721108822. The cubic root of 76308473 is about 424.1546713057.

The spelling of 76308473 in words is "seventy-six million, three hundred eight thousand, four hundred seventy-three".