332006749 has 4 divisors (see below), whose sum is σ = 332515836. Its totient is φ = 331497664.

The previous prime is 332006699. The next prime is 332006777. The reversal of 332006749 is 947600233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242798724 + 89208025 = 15582^2 + 9445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332006749 is a prime.

It is a super-2 number, since 2×332006749² = 220456962763098002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332006789) 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, 253564 + ... + 254869.

It is an arithmetic number, because the mean of its divisors is an integer number (83128959).

Almost surely, 2^332006749 is an apocalyptic number.

It is an amenable number.

332006749 is a deficient number, since it is larger than the sum of its proper divisors (509087).

332006749 is an equidigital number, since it uses as much as digits as its factorization.

332006749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509086.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 332006749 is about 18221.0523570951. The cubic root of 332006749 is about 692.4402492465.

The spelling of 332006749 in words is "three hundred thirty-two million, six thousand, seven hundred forty-nine".