73650903769 has 9 divisors (see below), whose sum is σ = 74415035071. Its totient is φ = 72894548200.

The previous prime is 73650903757. The next prime is 73650903803. The reversal of 73650903769 is 96730905637.

The square root of 73650903769 is 271387.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70762916169 + 2887987600 = 266013^2 + 53740^2 .

It is not a de Polignac number, because 73650903769 - 2¹¹ = 73650901721 is a prime.

It is a super-2 number, since 2×73650903769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73650903719) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27408744 + ... + 27411430.

Almost surely, 2^73650903769 is an apocalyptic number.

73650903769 is the 271387-th square number.

73650903769 is the 135694-th centered octagonal number.

It is an amenable number.

73650903769 is a deficient number, since it is larger than the sum of its proper divisors (764131302).

73650903769 is an frugal number, since it uses more digits than its factorization.

73650903769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 6429780, while the sum is 55.

The spelling of 73650903769 in words is "seventy-three billion, six hundred fifty million, nine hundred three thousand, seven hundred sixty-nine".