73513734 has 64 divisors (see below), whose sum is σ = 173408256. Its totient is φ = 20342304.

The previous prime is 73513721. The next prime is 73513777. The reversal of 73513734 is 43731537.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73513695 and 73513704.

It is a congruent number.

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, 329547 + ... + 329769.

It is an arithmetic number, because the mean of its divisors is an integer number (2709504).

Almost surely, 2^73513734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73513734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86704128).

73513734 is an abundant number, since it is smaller than the sum of its proper divisors (99894522).

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

73513734 is a wasteful number, since it uses less digits than its factorization.

73513734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 26460, while the sum is 33.

The square root of 73513734 is about 8574.0150454732. The cubic root of 73513734 is about 418.9120253969.

It can be divided in two parts, 73513 and 734, that added together give a palindrome (74247).

The spelling of 73513734 in words is "seventy-three million, five hundred thirteen thousand, seven hundred thirty-four".