73807734 has 64 divisors (see below), whose sum is σ = 198213120. Its totient is φ = 17694720.

The previous prime is 73807729. The next prime is 73807757. The reversal of 73807734 is 43770837.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73807692 and 73807701.

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, 139 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (3097080).

Almost surely, 2^73807734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73807734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99106560).

73807734 is an abundant number, since it is smaller than the sum of its proper divisors (124405386).

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

73807734 is a wasteful number, since it uses less digits than its factorization.

73807734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 73807734 is about 8591.1427644988. The cubic root of 73807734 is about 419.4697276100.

The spelling of 73807734 in words is "seventy-three million, eight hundred seven thousand, seven hundred thirty-four".