73740045 has 16 divisors (see below), whose sum is σ = 124194240. Its totient is φ = 37257984.

The previous prime is 73739993. The next prime is 73740053. The reversal of 73740045 is 54004737.

It is not a de Polignac number, because 73740045 - 2¹⁰ = 73739021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73739994 and 73740021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129084 + ... + 129653.

It is an arithmetic number, because the mean of its divisors is an integer number (7762140).

Almost surely, 2^73740045 is an apocalyptic number.

It is an amenable number.

73740045 is a deficient number, since it is larger than the sum of its proper divisors (50454195).

73740045 is a wasteful number, since it uses less digits than its factorization.

73740045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258764.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 73740045 is about 8587.2023965899. The cubic root of 73740045 is about 419.3414566319.

The spelling of 73740045 in words is "seventy-three million, seven hundred forty thousand, forty-five".