73788645 has 64 divisors (see below), whose sum is σ = 140912640. Its totient is φ = 32272128.

The previous prime is 73788629. The next prime is 73788677. The reversal of 73788645 is 54688737.

It is not a de Polignac number, because 73788645 - 2⁴ = 73788629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73788594 and 73788603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266247 + ... + 266523.

It is an arithmetic number, because the mean of its divisors is an integer number (2201760).

Almost surely, 2^73788645 is an apocalyptic number.

It is an amenable number.

73788645 is a deficient number, since it is larger than the sum of its proper divisors (67123995).

73788645 is a wasteful number, since it uses less digits than its factorization.

73788645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 1128960, while the sum is 48.

The square root of 73788645 is about 8590.0317228751. The cubic root of 73788645 is about 419.4335618064.

The spelling of 73788645 in words is "seventy-three million, seven hundred eighty-eight thousand, six hundred forty-five".