73196840 has 32 divisors (see below), whose sum is σ = 164949480. Its totient is φ = 29233152.

The previous prime is 73196803. The next prime is 73196867. The reversal of 73196840 is 4869137.

It can be written as a sum of positive squares in 4 ways, for example, as 55741156 + 17455684 = 7466^2 + 4178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73196794 and 73196803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38144 + ... + 40016.

Almost surely, 2^73196840 is an apocalyptic number.

It is an amenable number.

73196840 is an abundant number, since it is smaller than the sum of its proper divisors (91752640).

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

73196840 is a wasteful number, since it uses less digits than its factorization.

73196840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 73196840 is about 8555.5151802799. The cubic root of 73196840 is about 418.3092268595.

The spelling of 73196840 in words is "seventy-three million, one hundred ninety-six thousand, eight hundred forty".