73387743 has 24 divisors (see below), whose sum is σ = 115597440. Its totient is φ = 41052960.

The previous prime is 73387729. The next prime is 73387751. The reversal of 73387743 is 34778337.

It is not a de Polignac number, because 73387743 - 2⁶ = 73387679 is a prime.

It is a super-3 number, since 3×73387743³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73387695 and 73387704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73387723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1003 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (4816560).

Almost surely, 2^73387743 is an apocalyptic number.

73387743 is a deficient number, since it is larger than the sum of its proper divisors (42209697).

73387743 is a wasteful number, since it uses less digits than its factorization.

73387743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199 (or 13186 counting only the distinct ones).

The product of its digits is 296352, while the sum is 42.

The square root of 73387743 is about 8566.6646368350. The cubic root of 73387743 is about 418.6725720658.

The spelling of 73387743 in words is "seventy-three million, three hundred eighty-seven thousand, seven hundred forty-three".