77026272 has 24 divisors (see below), whose sum is σ = 202194216. Its totient is φ = 25675392.

The previous prime is 77026253. The next prime is 77026273. The reversal of 77026272 is 27262077.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77026273) 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 3 ways as a sum of consecutive naturals, for example, 401083 + ... + 401274.

It is an arithmetic number, because the mean of its divisors is an integer number (8424759).

Almost surely, 2^77026272 is an apocalyptic number.

It is an amenable number.

77026272 is an abundant number, since it is smaller than the sum of its proper divisors (125167944).

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

77026272 is a wasteful number, since it uses less digits than its factorization.

77026272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802370 (or 802362 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 77026272 is about 8776.4612458553. The cubic root of 77026272 is about 425.4804660823.

The spelling of 77026272 in words is "seventy-seven million, twenty-six thousand, two hundred seventy-two".