73629673 has 4 divisors (see below), whose sum is σ = 79293508. Its totient is φ = 67965840.

The previous prime is 73629671. The next prime is 73629697. The reversal of 73629673 is 37692637.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14462809 + 59166864 = 3803^2 + 7692^2 .

It is a cyclic number.

It is not a de Polignac number, because 73629673 - 2¹ = 73629671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73629671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831898 + ... + 2831923.

It is an arithmetic number, because the mean of its divisors is an integer number (19823377).

Almost surely, 2^73629673 is an apocalyptic number.

It is an amenable number.

73629673 is a deficient number, since it is larger than the sum of its proper divisors (5663835).

73629673 is a wasteful number, since it uses less digits than its factorization.

73629673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663834.

The product of its digits is 285768, while the sum is 43.

The square root of 73629673 is about 8580.7734499869. The cubic root of 73629673 is about 419.1321327092.

The spelling of 73629673 in words is "seventy-three million, six hundred twenty-nine thousand, six hundred seventy-three".