73742319 has 20 divisors (see below), whose sum is σ = 125896144. Its totient is φ = 42138144.

The previous prime is 73742299. The next prime is 73742329. The reversal of 73742319 is 91324737.

It is not a de Polignac number, because 73742319 - 2⁸ = 73742063 is a prime.

It is a super-2 number, since 2×73742319² = 10875859222995522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73742329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64462 + ... + 65595.

Almost surely, 2^73742319 is an apocalyptic number.

73742319 is a deficient number, since it is larger than the sum of its proper divisors (52153825).

73742319 is a wasteful number, since it uses less digits than its factorization.

73742319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130076 (or 130067 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 73742319 is about 8587.3348019045. The cubic root of 73742319 is about 419.3457671467.

The spelling of 73742319 in words is "seventy-three million, seven hundred forty-two thousand, three hundred nineteen".