73677646 has 8 divisors (see below), whose sum is σ = 126304560. Its totient is φ = 31576128.

The previous prime is 73677631. The next prime is 73677673. The reversal of 73677646 is 64677637.

It is a happy number.

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 = 73677596 and 73677605.

It is a congruent number.

It is an unprimeable number.

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, 2631331 + ... + 2631358.

It is an arithmetic number, because the mean of its divisors is an integer number (15788070).

Almost surely, 2^73677646 is an apocalyptic number.

73677646 is a deficient number, since it is larger than the sum of its proper divisors (52626914).

73677646 is a wasteful number, since it uses less digits than its factorization.

73677646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262698.

The product of its digits is 889056, while the sum is 46.

The square root of 73677646 is about 8583.5683721865. The cubic root of 73677646 is about 419.2231406760.

Subtracting from 73677646 its reverse (64677637), we obtain a palindrome (9000009).

The spelling of 73677646 in words is "seventy-three million, six hundred seventy-seven thousand, six hundred forty-six".