73195940 has 12 divisors (see below), whose sum is σ = 153711516. Its totient is φ = 29278368.

The previous prime is 73195939. The next prime is 73195943. The reversal of 73195940 is 4959137.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 37650496 = 5962^2 + 6136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73195894 and 73195903.

It is not an unprimeable number, because it can be changed into a prime (73195943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829879 + ... + 1829918.

It is an arithmetic number, because the mean of its divisors is an integer number (12809293).

Almost surely, 2^73195940 is an apocalyptic number.

It is an amenable number.

73195940 is an abundant number, since it is smaller than the sum of its proper divisors (80515576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73195940 is a wasteful number, since it uses less digits than its factorization.

73195940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659806 (or 3659804 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 73195940 is about 8555.4625824674. The cubic root of 73195940 is about 418.3075123964.

The spelling of 73195940 in words is "seventy-three million, one hundred ninety-five thousand, nine hundred forty".