32940769 has 4 divisors (see below), whose sum is σ = 33310980. Its totient is φ = 32570560.

The previous prime is 32940731. The next prime is 32940773. The reversal of 32940769 is 96704923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96704923 = 7 ⋅13814989.

It can be written as a sum of positive squares in 2 ways, for example, as 20430400 + 12510369 = 4520^2 + 3537^2 .

It is a cyclic number.

It is not a de Polignac number, because 32940769 - 2¹¹ = 32938721 is a prime.

It is a super-2 number, since 2×32940769² = 2170188524622722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32940799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184972 + ... + 185149.

It is an arithmetic number, because the mean of its divisors is an integer number (8327745).

Almost surely, 2^32940769 is an apocalyptic number.

It is an amenable number.

32940769 is a deficient number, since it is larger than the sum of its proper divisors (370211).

32940769 is an equidigital number, since it uses as much as digits as its factorization.

32940769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370210.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 32940769 is about 5739.4049343116. The cubic root of 32940769 is about 320.5614135588.

It can be divided in two parts, 329407 and 69, that added together give a square (329476 = 574²).

The spelling of 32940769 in words is "thirty-two million, nine hundred forty thousand, seven hundred sixty-nine".