73479229 has 2 divisors, whose sum is σ = 73479230. Its totient is φ = 73479228.

The previous prime is 73479221. The next prime is 73479277. The reversal of 73479229 is 92297437.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71014329 + 2464900 = 8427^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 73479229 - 2³ = 73479221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73479221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36739614 + 36739615.

It is an arithmetic number, because the mean of its divisors is an integer number (36739615).

Almost surely, 2^73479229 is an apocalyptic number.

It is an amenable number.

73479229 is a deficient number, since it is larger than the sum of its proper divisors (1).

73479229 is an equidigital number, since it uses as much as digits as its factorization.

73479229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 73479229 is about 8572.0026248246. The cubic root of 73479229 is about 418.8464738292.

The spelling of 73479229 in words is "seventy-three million, four hundred seventy-nine thousand, two hundred twenty-nine".