73276641 has 6 divisors (see below), whose sum is σ = 105844050. Its totient is φ = 48851088.

The previous prime is 73276639. The next prime is 73276669. The reversal of 73276641 is 14667237.

73276641 is a `hidden beast` number, since 7 + 3 + 2 + 7 + 6 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69555600 + 3721041 = 8340^2 + 1929^2 .

It is not a de Polignac number, because 73276641 - 2¹ = 73276639 is a prime.

It is a super-2 number, since 2×73276641² = 10738932232485762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73276596 and 73276605.

It is not an unprimeable number, because it can be changed into a prime (73276691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4070916 + ... + 4070933.

It is an arithmetic number, because the mean of its divisors is an integer number (17640675).

Almost surely, 2^73276641 is an apocalyptic number.

It is an amenable number.

73276641 is a deficient number, since it is larger than the sum of its proper divisors (32567409).

73276641 is a wasteful number, since it uses less digits than its factorization.

73276641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141855 (or 8141852 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 73276641 is about 8560.1776266617. The cubic root of 73276641 is about 418.4611886602.

The spelling of 73276641 in words is "seventy-three million, two hundred seventy-six thousand, six hundred forty-one".