732793921 has 8 divisors (see below), whose sum is σ = 735756840. Its totient is φ = 729837312.

The previous prime is 732793913. The next prime is 732793931. The reversal of 732793921 is 129397237.

It can be written as a sum of positive squares in 4 ways, for example, as 51322896 + 681471025 = 7164^2 + 26105^2 .

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 732793921 - 2³ = 732793913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (732793931) 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, 471081 + ... + 472633.

It is an arithmetic number, because the mean of its divisors is an integer number (91969605).

Almost surely, 2^732793921 is an apocalyptic number.

It is an amenable number.

732793921 is a deficient number, since it is larger than the sum of its proper divisors (2962919).

732793921 is a wasteful number, since it uses less digits than its factorization.

732793921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its digits is 142884, while the sum is 43.

The square root of 732793921 is about 27070.1666230557. The cubic root of 732793921 is about 901.5585837117.

The spelling of 732793921 in words is "seven hundred thirty-two million, seven hundred ninety-three thousand, nine hundred twenty-one".