32770813 has 8 divisors (see below), whose sum is σ = 33912576. Its totient is φ = 31634400.

The previous prime is 32770799. The next prime is 32770819. The reversal of 32770813 is 31807723.

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 32770813 - 2⁹ = 32770301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32770819) 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, 14145 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (4239072).

Almost surely, 2^32770813 is an apocalyptic number.

It is an amenable number.

32770813 is a deficient number, since it is larger than the sum of its proper divisors (1141763).

32770813 is a wasteful number, since it uses less digits than its factorization.

32770813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 32770813 is about 5724.5797225648. The cubic root of 32770813 is about 320.0091566390.

The spelling of 32770813 in words is "thirty-two million, seven hundred seventy thousand, eight hundred thirteen".