73965133 has 8 divisors (see below), whose sum is σ = 81795456. Its totient is φ = 66319200.

The previous prime is 73965131. The next prime is 73965137. The reversal of 73965133 is 33156937.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73965133 - 2¹ = 73965131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73965092 and 73965101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73965131) 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 in 7 ways as a sum of consecutive naturals, for example, 45253 + ... + 46858.

It is an arithmetic number, because the mean of its divisors is an integer number (10224432).

Almost surely, 2^73965133 is an apocalyptic number.

73965133 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

73965133 is a deficient number, since it is larger than the sum of its proper divisors (7830323).

73965133 is a wasteful number, since it uses less digits than its factorization.

73965133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92195.

The product of its digits is 51030, while the sum is 37.

The square root of 73965133 is about 8600.2984250548. The cubic root of 73965133 is about 419.7676965548.

The spelling of 73965133 in words is "seventy-three million, nine hundred sixty-five thousand, one hundred thirty-three".