73674638 has 4 divisors (see below), whose sum is σ = 110511960. Its totient is φ = 36837318.

The previous prime is 73674637. The next prime is 73674649. The reversal of 73674638 is 83647637.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73674637) 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 as a sum of consecutive naturals, namely, 18418658 + ... + 18418661.

It is an arithmetic number, because the mean of its divisors is an integer number (27627990).

Almost surely, 2^73674638 is an apocalyptic number.

73674638 is a deficient number, since it is larger than the sum of its proper divisors (36837322).

73674638 is a wasteful number, since it uses less digits than its factorization.

73674638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36837321.

The product of its digits is 508032, while the sum is 44.

The square root of 73674638 is about 8583.3931518951. The cubic root of 73674638 is about 419.2174354613.

The spelling of 73674638 in words is "seventy-three million, six hundred seventy-four thousand, six hundred thirty-eight".