73903069 has 2 divisors, whose sum is σ = 73903070. Its totient is φ = 73903068.

The previous prime is 73903061. The next prime is 73903073. The reversal of 73903069 is 96030937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69923044 + 3980025 = 8362^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 73903069 - 2³ = 73903061 is a prime.

It is a super-2 number, since 2×73903069² = 10923327215237522, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73903061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36951534 + 36951535.

It is an arithmetic number, because the mean of its divisors is an integer number (36951535).

Almost surely, 2^73903069 is an apocalyptic number.

It is an amenable number.

73903069 is a deficient number, since it is larger than the sum of its proper divisors (1).

73903069 is an equidigital number, since it uses as much as digits as its factorization.

73903069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 73903069 is about 8596.6894209341. The cubic root of 73903069 is about 419.6502549463.

The spelling of 73903069 in words is "seventy-three million, nine hundred three thousand, sixty-nine".