326140749 has 36 divisors (see below), whose sum is σ = 533775840. Its totient is φ = 197617320.

The previous prime is 326140729. The next prime is 326140751. The reversal of 326140749 is 947041623.

326140749 is a `hidden beast` number, since 32 + 614 + 0 + 7 + 4 + 9 = 666.

It is not a de Polignac number, because 326140749 - 2¹⁵ = 326107981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326140729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69912 + ... + 74430.

Almost surely, 2^326140749 is an apocalyptic number.

It is an amenable number.

326140749 is a deficient number, since it is larger than the sum of its proper divisors (207635091).

326140749 is an frugal number, since it uses more digits than its factorization.

326140749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 326140749 is about 18059.3673477229. The cubic root of 326140749 is about 688.3379087859.

The spelling of 326140749 in words is "three hundred twenty-six million, one hundred forty thousand, seven hundred forty-nine".