77073 has 8 divisors (see below), whose sum is σ = 107328. Its totient is φ = 49104.

The previous prime is 77069. The next prime is 77081. The reversal of 77073 is 37077.

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

It is not a de Polignac number, because 77073 - 2² = 77069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (13416).

2⁷⁷⁰⁷³ is an apocalyptic number.

It is an amenable number.

77073 is a deficient number, since it is larger than the sum of its proper divisors (30255).

77073 is a wasteful number, since it uses less digits than its factorization.

77073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 1029, while the sum is 24.

The square root of 77073 is about 277.6202442186. The cubic root of 77073 is about 42.5566487953.

The spelling of 77073 in words is "seventy-seven thousand, seventy-three", and thus it is an iban number.