32765421 has 8 divisors (see below), whose sum is σ = 47047840. Its totient is φ = 20163312.

The previous prime is 32765401. The next prime is 32765423. The reversal of 32765421 is 12456723.

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

It is not a de Polignac number, because 32765421 - 2¹⁵ = 32732653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32765423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420031 + ... + 420108.

It is an arithmetic number, because the mean of its divisors is an integer number (5880980).

Almost surely, 2^32765421 is an apocalyptic number.

It is an amenable number.

32765421 is a deficient number, since it is larger than the sum of its proper divisors (14282419).

32765421 is a wasteful number, since it uses less digits than its factorization.

32765421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840155.

The product of its digits is 10080, while the sum is 30.

The square root of 32765421 is about 5724.1087515874. The cubic root of 32765421 is about 319.9916045975.

The spelling of 32765421 in words is "thirty-two million, seven hundred sixty-five thousand, four hundred twenty-one".