77273 has 12 divisors (see below), whose sum is σ = 95760. Its totient is φ = 61992.

The previous prime is 77269. The next prime is 77279. The reversal of 77273 is 37277.

It is not a de Polignac number, because 77273 - 2² = 77269 is a prime.

It is a super-2 number, since 2×77273² = 11942233058, which contains 22 as substring.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (77279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (7980).

2⁷⁷²⁷³ is an apocalyptic number.

It is an amenable number.

77273 is a deficient number, since it is larger than the sum of its proper divisors (18487).

77273 is a wasteful number, since it uses less digits than its factorization.

77273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 109 counting only the distinct ones).

The product of its digits is 2058, while the sum is 26.

The square root of 77273 is about 277.9802151233. The cubic root of 77273 is about 42.5934276856.

The spelling of 77273 in words is "seventy-seven thousand, two hundred seventy-three", and thus it is an iban number.