733028861 has 4 divisors (see below), whose sum is σ = 736827132. Its totient is φ = 729230592.

The previous prime is 733028851. The next prime is 733028897. The reversal of 733028861 is 168820337.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 368448025 + 364580836 = 19195^2 + 19094^2 .

It is a cyclic number.

It is not a de Polignac number, because 733028861 - 2²⁶ = 665919997 is a prime.

It is a super-2 number, since 2×733028861² = 1074662622117914642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733028801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898846 + ... + 1899231.

It is an arithmetic number, because the mean of its divisors is an integer number (184206783).

Almost surely, 2^733028861 is an apocalyptic number.

It is an amenable number.

733028861 is a deficient number, since it is larger than the sum of its proper divisors (3798271).

733028861 is a wasteful number, since it uses less digits than its factorization.

733028861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798270.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 733028861 is about 27074.5057387942. The cubic root of 733028861 is about 901.6549225482.

The spelling of 733028861 in words is "seven hundred thirty-three million, twenty-eight thousand, eight hundred sixty-one".