732979421 has 4 divisors (see below), whose sum is σ = 733035744. Its totient is φ = 732923100.

The previous prime is 732979411. The next prime is 732979439. The reversal of 732979421 is 124979237.

732979421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 124979237 = 4001 ⋅31237.

It is a cyclic number.

It is not a de Polignac number, because 732979421 - 2¹⁰ = 732978397 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 (732979411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456 + ... + 38366.

It is an arithmetic number, because the mean of its divisors is an integer number (183258936).

Almost surely, 2^732979421 is an apocalyptic number.

It is an amenable number.

732979421 is a deficient number, since it is larger than the sum of its proper divisors (56323).

732979421 is a wasteful number, since it uses less digits than its factorization.

732979421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56322.

The product of its digits is 190512, while the sum is 44.

The square root of 732979421 is about 27073.5926873402. The cubic root of 732979421 is about 901.6346510310.

The spelling of 732979421 in words is "seven hundred thirty-two million, nine hundred seventy-nine thousand, four hundred twenty-one".