73834621 has 24 divisors (see below), whose sum is σ = 91699776. Its totient is φ = 59068800.

The previous prime is 73834619. The next prime is 73834639. The reversal of 73834621 is 12643837.

It is a happy number.

It is not a de Polignac number, because 73834621 - 2¹ = 73834619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73834681) 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 23 ways as a sum of consecutive naturals, for example, 125490 + ... + 126076.

It is an arithmetic number, because the mean of its divisors is an integer number (3820824).

Almost surely, 2^73834621 is an apocalyptic number.

It is an amenable number.

73834621 is a deficient number, since it is larger than the sum of its proper divisors (17865155).

73834621 is a wasteful number, since it uses less digits than its factorization.

73834621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 762 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 73834621 is about 8592.7074313048. The cubic root of 73834621 is about 419.5206568407.

The spelling of 73834621 in words is "seventy-three million, eight hundred thirty-four thousand, six hundred twenty-one".