72733634 has 8 divisors (see below), whose sum is σ = 114842640. Its totient is φ = 34452756.

The previous prime is 72733627. The next prime is 72733637. The reversal of 72733634 is 43633727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72733594 and 72733603.

It is not an unprimeable number, because it can be changed into a prime (72733637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956984 + ... + 957059.

It is an arithmetic number, because the mean of its divisors is an integer number (14355330).

Almost surely, 2^72733634 is an apocalyptic number.

72733634 is a deficient number, since it is larger than the sum of its proper divisors (42109006).

72733634 is a wasteful number, since it uses less digits than its factorization.

72733634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914064.

The product of its digits is 63504, while the sum is 35.

The square root of 72733634 is about 8528.4016087424. The cubic root of 72733634 is about 417.4249741480.

The spelling of 72733634 in words is "seventy-two million, seven hundred thirty-three thousand, six hundred thirty-four".