73501708873 has 4 divisors (see below), whose sum is σ = 73504776448. Its totient is φ = 73498641300.

The previous prime is 73501708849. The next prime is 73501708883. The reversal of 73501708873 is 37880710537.

It is a happy number.

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: 37880710537 = 479 ⋅79082903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73501708873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73501708843) 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, 1497561 + ... + 1545862.

It is an arithmetic number, because the mean of its divisors is an integer number (18376194112).

Almost surely, 2^73501708873 is an apocalyptic number.

It is an amenable number.

73501708873 is a deficient number, since it is larger than the sum of its proper divisors (3067575).

73501708873 is a wasteful number, since it uses less digits than its factorization.

73501708873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067574.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 73501708873 in words is "seventy-three billion, five hundred one million, seven hundred eight thousand, eight hundred seventy-three".