73572303073 has 4 divisors (see below), whose sum is σ = 73680023088. Its totient is φ = 73464583060.

The previous prime is 73572303059. The next prime is 73572303107. The reversal of 73572303073 is 37030327537.

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.

It is a cyclic number.

It is not a de Polignac number, because 73572303073 - 2⁵ = 73572303041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73572303053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53858983 + ... + 53860348.

It is an arithmetic number, because the mean of its divisors is an integer number (18420005772).

Almost surely, 2^73572303073 is an apocalyptic number.

It is an amenable number.

73572303073 is a deficient number, since it is larger than the sum of its proper divisors (107720015).

73572303073 is a wasteful number, since it uses less digits than its factorization.

73572303073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107720014.

The product of its (nonzero) digits is 277830, while the sum is 40.

The spelling of 73572303073 in words is "seventy-three billion, five hundred seventy-two million, three hundred three thousand, seventy-three".