73449660 has 48 divisors (see below), whose sum is σ = 206097696. Its totient is φ = 19544832.

The previous prime is 73449641. The next prime is 73449667. The reversal of 73449660 is 6694437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73449667) 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, 35782 + ... + 37778.

It is an arithmetic number, because the mean of its divisors is an integer number (4293702).

Almost surely, 2^73449660 is an apocalyptic number.

It is an amenable number.

73449660 is an abundant number, since it is smaller than the sum of its proper divisors (132648036).

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

73449660 is a wasteful number, since it uses less digits than its factorization.

73449660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 73449660 is about 8570.2777084526. The cubic root of 73449660 is about 418.7902831968.

The spelling of 73449660 in words is "seventy-three million, four hundred forty-nine thousand, six hundred sixty".