73434330 has 64 divisors (see below), whose sum is σ = 196905600. Its totient is φ = 19474560.

The previous prime is 73434313. The next prime is 73434341. The reversal of 73434330 is 3343437.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 73434294 and 73434303.

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, 56326 + ... + 57614.

It is an arithmetic number, because the mean of its divisors is an integer number (3076650).

Almost surely, 2^73434330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73434330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98452800).

73434330 is an abundant number, since it is smaller than the sum of its proper divisors (123471270).

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

73434330 is a wasteful number, since it uses less digits than its factorization.

73434330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 27.

The square root of 73434330 is about 8569.3832916961. The cubic root of 73434330 is about 418.7611453186.

Adding to 73434330 its reverse (3343437), we get a palindrome (76777767).

The spelling of 73434330 in words is "seventy-three million, four hundred thirty-four thousand, three hundred thirty".