73049897 has 2 divisors, whose sum is σ = 73049898. Its totient is φ = 73049896.

The previous prime is 73049887. The next prime is 73049939. The reversal of 73049897 is 79894037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36917776 + 36132121 = 6076^2 + 6011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73049897 is a prime.

It is not a weakly prime, because it can be changed into another prime (73049887) 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 as a sum of consecutive naturals, namely, 36524948 + 36524949.

It is an arithmetic number, because the mean of its divisors is an integer number (36524949).

Almost surely, 2^73049897 is an apocalyptic number.

It is an amenable number.

73049897 is a deficient number, since it is larger than the sum of its proper divisors (1).

73049897 is an equidigital number, since it uses as much as digits as its factorization.

73049897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 73049897 is about 8546.9232475786. The cubic root of 73049897 is about 418.0291200915.

The spelling of 73049897 in words is "seventy-three million, forty-nine thousand, eight hundred ninety-seven".