73691238 has 16 divisors (see below), whose sum is σ = 148156416. Its totient is φ = 24434760.

The previous prime is 73691231. The next prime is 73691239. The reversal of 73691238 is 83219637.

It is a junction number, because it is equal to n+sod(n) for n = 73691196 and 73691205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73691231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31006 + ... + 33297.

It is an arithmetic number, because the mean of its divisors is an integer number (9259776).

Almost surely, 2^73691238 is an apocalyptic number.

73691238 is an abundant number, since it is smaller than the sum of its proper divisors (74465178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73691238 is a wasteful number, since it uses less digits than its factorization.

73691238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64499.

The product of its digits is 54432, while the sum is 39.

The square root of 73691238 is about 8584.3600809845. The cubic root of 73691238 is about 419.2489184203.

The spelling of 73691238 in words is "seventy-three million, six hundred ninety-one thousand, two hundred thirty-eight".