73132019 has 4 divisors (see below), whose sum is σ = 76311696. Its totient is φ = 69952344.

The previous prime is 73132001. The next prime is 73132021. The reversal of 73132019 is 91023137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91023137 = 1399 ⋅65063.

It is a cyclic number.

It is not a de Polignac number, because 73132019 - 2⁸ = 73131763 is a prime.

It is a super-2 number, since 2×73132019² = 10696584406032722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73132049) 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, 1589804 + ... + 1589849.

It is an arithmetic number, because the mean of its divisors is an integer number (19077924).

Almost surely, 2^73132019 is an apocalyptic number.

73132019 is a deficient number, since it is larger than the sum of its proper divisors (3179677).

73132019 is a wasteful number, since it uses less digits than its factorization.

73132019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179676.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 73132019 is about 8551.7260830782. The cubic root of 73132019 is about 418.1857095488.

The spelling of 73132019 in words is "seventy-three million, one hundred thirty-two thousand, nineteen".