73075245165 has 48 divisors (see below), whose sum is σ = 143586468480. Its totient is φ = 34082052480.

The previous prime is 73075245119. The next prime is 73075245223. The reversal of 73075245165 is 56154257037.

It is a happy number.

73075245165 is a `hidden beast` number, since 73 + 0 + 7 + 524 + 51 + 6 + 5 = 666.

It is not a de Polignac number, because 73075245165 - 2⁸ = 73075244909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 73075245165.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3276121 + ... + 3298350.

It is an arithmetic number, because the mean of its divisors is an integer number (2991384760).

Almost surely, 2^73075245165 is an apocalyptic number.

It is an amenable number.

73075245165 is a deficient number, since it is larger than the sum of its proper divisors (70511223315).

73075245165 is a wasteful number, since it uses less digits than its factorization.

73075245165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574514 (or 6574511 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 73075245165 in words is "seventy-three billion, seventy-five million, two hundred forty-five thousand, one hundred sixty-five".