73998970429 has 2 divisors, whose sum is σ = 73998970430. Its totient is φ = 73998970428.

The previous prime is 73998970393. The next prime is 73998970459. The reversal of 73998970429 is 92407989937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71797202500 + 2201767929 = 267950^2 + 46923^2 .

It is a cyclic number.

It is not a de Polignac number, because 73998970429 - 2¹⁷ = 73998839357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73998970459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36999485214 + 36999485215.

It is an arithmetic number, because the mean of its divisors is an integer number (36999485215).

Almost surely, 2^73998970429 is an apocalyptic number.

It is an amenable number.

73998970429 is a deficient number, since it is larger than the sum of its proper divisors (1).

73998970429 is an equidigital number, since it uses as much as digits as its factorization.

73998970429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61725888, while the sum is 67.

The spelling of 73998970429 in words is "seventy-three billion, nine hundred ninety-eight million, nine hundred seventy thousand, four hundred twenty-nine".