73739536 has 40 divisors (see below), whose sum is σ = 156786840. Its totient is φ = 33386496.

The previous prime is 73739509. The next prime is 73739543. The reversal of 73739536 is 63593737.

It can be written as a sum of positive squares in 4 ways, for example, as 16646400 + 57093136 = 4080^2 + 7556^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73739492 and 73739501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7680 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (3919671).

Almost surely, 2^73739536 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 73739536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78393420).

73739536 is an abundant number, since it is smaller than the sum of its proper divisors (83047304).

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

73739536 is a wasteful number, since it uses less digits than its factorization.

73739536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763 (or 6757 counting only the distinct ones).

The product of its digits is 357210, while the sum is 43.

The square root of 73739536 is about 8587.1727594127. The cubic root of 73739536 is about 419.3404917772.

The spelling of 73739536 in words is "seventy-three million, seven hundred thirty-nine thousand, five hundred thirty-six".