73135838 has 4 divisors (see below), whose sum is σ = 109703760. Its totient is φ = 36567918.

The previous prime is 73135831. The next prime is 73135847. The reversal of 73135838 is 83853137.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73135831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18283958 + ... + 18283961.

It is an arithmetic number, because the mean of its divisors is an integer number (27425940).

Almost surely, 2^73135838 is an apocalyptic number.

73135838 is a deficient number, since it is larger than the sum of its proper divisors (36567922).

73135838 is a wasteful number, since it uses less digits than its factorization.

73135838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36567921.

The product of its digits is 60480, while the sum is 38.

The square root of 73135838 is about 8551.9493684189. The cubic root of 73135838 is about 418.1929887289.

The spelling of 73135838 in words is "seventy-three million, one hundred thirty-five thousand, eight hundred thirty-eight".