73677644 has 6 divisors (see below), whose sum is σ = 128935884. Its totient is φ = 36838820.

The previous prime is 73677631. The next prime is 73677673. The reversal of 73677644 is 44677637.

It is a junction number, because it is equal to n+sod(n) for n = 73677595 and 73677604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9209702 + ... + 9209709.

It is an arithmetic number, because the mean of its divisors is an integer number (21489314).

Almost surely, 2^73677644 is an apocalyptic number.

It is an amenable number.

73677644 is a deficient number, since it is larger than the sum of its proper divisors (55258240).

73677644 is a wasteful number, since it uses less digits than its factorization.

73677644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18419415 (or 18419413 counting only the distinct ones).

The product of its digits is 592704, while the sum is 44.

The square root of 73677644 is about 8583.5682556848. The cubic root of 73677644 is about 419.2231368827.

The spelling of 73677644 in words is "seventy-three million, six hundred seventy-seven thousand, six hundred forty-four".