73761538 has 8 divisors (see below), whose sum is σ = 117150732. Its totient is φ = 34711296.

The previous prime is 73761533. The next prime is 73761547. The reversal of 73761538 is 83516737.

It can be written as a sum of positive squares in 2 ways, for example, as 69505569 + 4255969 = 8337^2 + 2063^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 73761538.

It is not an unprimeable number, because it can be changed into a prime (73761533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084695 + ... + 1084762.

Almost surely, 2^73761538 is an apocalyptic number.

73761538 is a deficient number, since it is larger than the sum of its proper divisors (43389194).

73761538 is a wasteful number, since it uses less digits than its factorization.

73761538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169476.

The product of its digits is 105840, while the sum is 40.

The square root of 73761538 is about 8588.4537607185. The cubic root of 73761538 is about 419.3821944716.

The spelling of 73761538 in words is "seventy-three million, seven hundred sixty-one thousand, five hundred thirty-eight".