73402429 has 2 divisors, whose sum is σ = 73402430. Its totient is φ = 73402428.

The previous prime is 73402369. The next prime is 73402471. The reversal of 73402429 is 92420437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 34987225 = 6198^2 + 5915^2 .

It is a cyclic number.

It is not a de Polignac number, because 73402429 - 2¹⁷ = 73271357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73402429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73402829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36701214 + 36701215.

It is an arithmetic number, because the mean of its divisors is an integer number (36701215).

Almost surely, 2^73402429 is an apocalyptic number.

It is an amenable number.

73402429 is a deficient number, since it is larger than the sum of its proper divisors (1).

73402429 is an equidigital number, since it uses as much as digits as its factorization.

73402429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 73402429 is about 8567.5217536928. The cubic root of 73402429 is about 418.7004977795.

The spelling of 73402429 in words is "seventy-three million, four hundred two thousand, four hundred twenty-nine".