73858400421 has 8 divisors (see below), whose sum is σ = 106053087840. Its totient is φ = 45451323312.

The previous prime is 73858400381. The next prime is 73858400437. The reversal of 73858400421 is 12400485837.

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

It is not a de Polignac number, because 73858400421 - 2⁷ = 73858400293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73858400321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946902531 + ... + 946902608.

It is an arithmetic number, because the mean of its divisors is an integer number (13256635980).

Almost surely, 2^73858400421 is an apocalyptic number.

It is an amenable number.

73858400421 is a deficient number, since it is larger than the sum of its proper divisors (32194687419).

73858400421 is a wasteful number, since it uses less digits than its factorization.

73858400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893805155.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 73858400421 in words is "seventy-three billion, eight hundred fifty-eight million, four hundred thousand, four hundred twenty-one".