73403233 has 4 divisors (see below), whose sum is σ = 73454020. Its totient is φ = 73352448.

The previous prime is 73403219. The next prime is 73403249. The reversal of 73403233 is 33230437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33230437 = 1297 ⋅25621.

It can be written as a sum of positive squares in 2 ways, for example, as 7273809 + 66129424 = 2697^2 + 8132^2 .

It is a cyclic number.

It is not a de Polignac number, because 73403233 - 2⁵ = 73403201 is a prime.

It is a super-2 number, since 2×73403233² = 10776069229704578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73403198 and 73403207.

It is not an unprimeable number, because it can be changed into a prime (73403203) 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, 23160 + ... + 26137.

It is an arithmetic number, because the mean of its divisors is an integer number (18363505).

Almost surely, 2^73403233 is an apocalyptic number.

It is an amenable number.

73403233 is a deficient number, since it is larger than the sum of its proper divisors (50787).

73403233 is a wasteful number, since it uses less digits than its factorization.

73403233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50786.

The product of its (nonzero) digits is 4536, while the sum is 25.

The square root of 73403233 is about 8567.5686749509. The cubic root of 73403233 is about 418.7020264935.

The spelling of 73403233 in words is "seventy-three million, four hundred three thousand, two hundred thirty-three".