77022273 has 8 divisors (see below), whose sum is σ = 102743488. Its totient is φ = 51324624.

The previous prime is 77022251. The next prime is 77022277. The reversal of 77022273 is 37222077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77022273 - 2⁵ = 77022241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77022273.

It is not an unprimeable number, because it can be changed into a prime (77022277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4215 + ... + 13107.

It is an arithmetic number, because the mean of its divisors is an integer number (12842936).

Almost surely, 2^77022273 is an apocalyptic number.

It is an amenable number.

77022273 is a deficient number, since it is larger than the sum of its proper divisors (25721215).

77022273 is a wasteful number, since it uses less digits than its factorization.

77022273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 77022273 is about 8776.2334175887. The cubic root of 77022273 is about 425.4731026819.

The spelling of 77022273 in words is "seventy-seven million, twenty-two thousand, two hundred seventy-three".