73120223762 has 4 divisors (see below), whose sum is σ = 109680335646. Its totient is φ = 36560111880.

The previous prime is 73120223753. The next prime is 73120223791. The reversal of 73120223762 is 26732202137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26732202137 = 19373 ⋅1379869.

It can be written as a sum of positive squares in only one way, i.e., 71780590561 + 1339633201 = 267919^2 + 36601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280055939 + ... + 18280055942.

Almost surely, 2^73120223762 is an apocalyptic number.

73120223762 is a deficient number, since it is larger than the sum of its proper divisors (36560111884).

73120223762 is a wasteful number, since it uses less digits than its factorization.

73120223762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36560111883.

The product of its (nonzero) digits is 42336, while the sum is 35.

Adding to 73120223762 its reverse (26732202137), we get a palindrome (99852425899).

The spelling of 73120223762 in words is "seventy-three billion, one hundred twenty million, two hundred twenty-three thousand, seven hundred sixty-two".