73738434 has 72 divisors (see below), whose sum is σ = 188398224. Its totient is φ = 19026000.

The previous prime is 73738433. The next prime is 73738471. The reversal of 73738434 is 43483737.

It is a junction number, because it is equal to n+sod(n) for n = 73738392 and 73738401.

It is not an unprimeable number, because it can be changed into a prime (73738433) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 488259 + ... + 488409.

It is an arithmetic number, because the mean of its divisors is an integer number (2616642).

Almost surely, 2^73738434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73738434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94199112).

73738434 is an abundant number, since it is smaller than the sum of its proper divisors (114659790).

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

73738434 is a wasteful number, since it uses less digits than its factorization.

73738434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 174 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 73738434 is about 8587.1085937002. The cubic root of 73738434 is about 419.3384028230.

The spelling of 73738434 in words is "seventy-three million, seven hundred thirty-eight thousand, four hundred thirty-four".