73727732053 has 4 divisors (see below), whose sum is σ = 73967887840. Its totient is φ = 73487576268.

The previous prime is 73727732051. The next prime is 73727732077. The reversal of 73727732053 is 35023772737.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35023772737 = 103913 ⋅337049.

It is a cyclic number.

It is not a de Polignac number, because 73727732053 - 2¹ = 73727732051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73727731994 and 73727732012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73727732051) 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 in 3 ways as a sum of consecutive naturals, for example, 120077433 + ... + 120078046.

It is an arithmetic number, because the mean of its divisors is an integer number (18491971960).

Almost surely, 2^73727732053 is an apocalyptic number.

It is an amenable number.

73727732053 is a deficient number, since it is larger than the sum of its proper divisors (240155787).

73727732053 is a wasteful number, since it uses less digits than its factorization.

73727732053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240155786.

The product of its (nonzero) digits is 1296540, while the sum is 46.

The spelling of 73727732053 in words is "seventy-three billion, seven hundred twenty-seven million, seven hundred thirty-two thousand, fifty-three".