73434660 has 96 divisors (see below), whose sum is σ = 228652032. Its totient is φ = 17487360.

The previous prime is 73434631. The next prime is 73434671. The reversal of 73434660 is 6643437.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22662 + ... + 25698.

It is an arithmetic number, because the mean of its divisors is an integer number (2381792).

Almost surely, 2^73434660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73434660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114326016).

73434660 is an abundant number, since it is smaller than the sum of its proper divisors (155217372).

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

73434660 is a wasteful number, since it uses less digits than its factorization.

73434660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 73434660 is about 8569.4025462689. The cubic root of 73434660 is about 418.7617725954.

The spelling of 73434660 in words is "seventy-three million, four hundred thirty-four thousand, six hundred sixty".