332478749 has 8 divisors (see below), whose sum is σ = 335176800. Its totient is φ = 329787216.

The previous prime is 332478737. The next prime is 332478767. The reversal of 332478749 is 947874233.

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 332478749 - 2⁴ = 332478733 is a prime.

It is a super-2 number, since 2×332478749² = 221084237073210002, 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 (332478779) 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, 166334 + ... + 168320.

It is an arithmetic number, because the mean of its divisors is an integer number (41897100).

Almost surely, 2^332478749 is an apocalyptic number.

It is an amenable number.

332478749 is a deficient number, since it is larger than the sum of its proper divisors (2698051).

332478749 is a wasteful number, since it uses less digits than its factorization.

332478749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259.

The product of its digits is 1016064, while the sum is 47.

The square root of 332478749 is about 18233.9998080509. Note that the first 3 decimals coincide. The cubic root of 332478749 is about 692.7682315741.

The spelling of 332478749 in words is "three hundred thirty-two million, four hundred seventy-eight thousand, seven hundred forty-nine".