773232421 has 8 divisors (see below), whose sum is σ = 834070104. Its totient is φ = 712588800.

The previous prime is 773232419. The next prime is 773232431. The reversal of 773232421 is 124232377.

773232421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 166152100 + 607080321 = 12890^2 + 24639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 773232421 - 2¹ = 773232419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773232431) 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, 40180 + ... + 56221.

It is an arithmetic number, because the mean of its divisors is an integer number (104258763).

Almost surely, 2^773232421 is an apocalyptic number.

It is an amenable number.

773232421 is a deficient number, since it is larger than the sum of its proper divisors (60837683).

773232421 is a wasteful number, since it uses less digits than its factorization.

773232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97031.

The product of its digits is 14112, while the sum is 31.

The square root of 773232421 is about 27807.0570359396. The cubic root of 773232421 is about 917.8464202775.

Adding to 773232421 its reverse (124232377), we get a palindrome (897464798).

The spelling of 773232421 in words is "seven hundred seventy-three million, two hundred thirty-two thousand, four hundred twenty-one".