773421 has 16 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 447920.

The previous prime is 773417. The next prime is 773447. The reversal of 773421 is 124377.

It is not a de Polignac number, because 773421 - 2² = 773417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 773391 and 773400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁷⁷³⁴²¹ is an apocalyptic number.

It is an amenable number.

773421 is a deficient number, since it is larger than the sum of its proper divisors (401619).

773421 is a wasteful number, since it uses less digits than its factorization.

773421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its digits is 1176, while the sum is 24.

The square root of 773421 is about 879.4435740853. The cubic root of 773421 is about 91.7921030225.

Adding to 773421 its reverse (124377), we get a palindrome (897798).

The spelling of 773421 in words is "seven hundred seventy-three thousand, four hundred twenty-one", and thus it is an iban number.