73626438 has 8 divisors (see below), whose sum is σ = 147252888. Its totient is φ = 24542144.

The previous prime is 73626433. The next prime is 73626461. The reversal of 73626438 is 83462637.

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

73626438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 73626396 and 73626405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73626431) 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, 6135531 + ... + 6135542.

It is an arithmetic number, because the mean of its divisors is an integer number (18406611).

Almost surely, 2^73626438 is an apocalyptic number.

73626438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73626438 is a wasteful number, since it uses less digits than its factorization.

73626438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271078.

The product of its digits is 145152, while the sum is 39.

The square root of 73626438 is about 8580.5849450955. The cubic root of 73626438 is about 419.1259942768.

The spelling of 73626438 in words is "seventy-three million, six hundred twenty-six thousand, four hundred thirty-eight".