73670561445 has 16 divisors (see below), whose sum is σ = 126940044672. Its totient is φ = 36268584000.

The previous prime is 73670561441. The next prime is 73670561467. The reversal of 73670561445 is 54416507637.

It is a happy number.

It is not a de Polignac number, because 73670561445 - 2² = 73670561441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73670561394 and 73670561403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73670561441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188898681 + ... + 188899070.

It is an arithmetic number, because the mean of its divisors is an integer number (7933752792).

Almost surely, 2^73670561445 is an apocalyptic number.

It is an amenable number.

73670561445 is a deficient number, since it is larger than the sum of its proper divisors (53269483227).

73670561445 is a wasteful number, since it uses less digits than its factorization.

73670561445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377797772.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 73670561445 in words is "seventy-three billion, six hundred seventy million, five hundred sixty-one thousand, four hundred forty-five".