73245229 has 4 divisors (see below), whose sum is σ = 75031740. Its totient is φ = 71458720.

The previous prime is 73245217. The next prime is 73245239. The reversal of 73245229 is 92254237.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92254237 = 911 ⋅101267.

It can be written as a sum of positive squares in 2 ways, for example, as 30969225 + 42276004 = 5565^2 + 6502^2 .

It is a cyclic number.

It is not a de Polignac number, because 73245229 - 2⁷ = 73245101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73245194 and 73245203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73245239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893194 + ... + 893275.

It is an arithmetic number, because the mean of its divisors is an integer number (18757935).

Almost surely, 2^73245229 is an apocalyptic number.

It is an amenable number.

73245229 is a deficient number, since it is larger than the sum of its proper divisors (1786511).

73245229 is a wasteful number, since it uses less digits than its factorization.

73245229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786510.

The product of its digits is 30240, while the sum is 34.

The square root of 73245229 is about 8558.3426549771. The cubic root of 73245229 is about 418.4013852385.

The spelling of 73245229 in words is "seventy-three million, two hundred forty-five thousand, two hundred twenty-nine".