73401979162 has 4 divisors (see below), whose sum is σ = 110102968746. Its totient is φ = 36700989580.

The previous prime is 73401979151. The next prime is 73401979187. The reversal of 73401979162 is 26197910437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26197910437 = 223 ⋅117479419.

It can be written as a sum of positive squares in only one way, i.e., 67892034721 + 5509944441 = 260561^2 + 74229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18350494789 + ... + 18350494792.

Almost surely, 2^73401979162 is an apocalyptic number.

73401979162 is a deficient number, since it is larger than the sum of its proper divisors (36700989584).

73401979162 is a wasteful number, since it uses less digits than its factorization.

73401979162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36700989583.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 73401979162 in words is "seventy-three billion, four hundred one million, nine hundred seventy-nine thousand, one hundred sixty-two".