76773444 has 24 divisors (see below), whose sum is σ = 195423648. Its totient is φ = 23264640.

The previous prime is 76773439. The next prime is 76773451. The reversal of 76773444 is 44437767.

It is a super-2 number, since 2×76773444² = 11788323407242272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76773396 and 76773405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290677 + ... + 290940.

It is an arithmetic number, because the mean of its divisors is an integer number (8142652).

Almost surely, 2^76773444 is an apocalyptic number.

It is an amenable number.

76773444 is an abundant number, since it is smaller than the sum of its proper divisors (118650204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76773444 is a wasteful number, since it uses less digits than its factorization.

76773444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581635 (or 581633 counting only the distinct ones).

The product of its digits is 395136, while the sum is 42.

The square root of 76773444 is about 8762.0456515588. The cubic root of 76773444 is about 425.0144290372.

The spelling of 76773444 in words is "seventy-six million, seven hundred seventy-three thousand, four hundred forty-four".