412832721 has 16 divisors (see below), whose sum is σ = 631534464. Its totient is φ = 234983424.

The previous prime is 412832713. The next prime is 412832729. The reversal of 412832721 is 127238214.

It is an interprime number because it is at equal distance from previous prime (412832713) and next prime (412832729).

It is not a de Polignac number, because 412832721 - 2³ = 412832713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (412832729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32850 + ... + 43643.

It is an arithmetic number, because the mean of its divisors is an integer number (39470904).

Almost surely, 2^412832721 is an apocalyptic number.

It is an amenable number.

412832721 is a deficient number, since it is larger than the sum of its proper divisors (218701743).

412832721 is a wasteful number, since it uses less digits than its factorization.

412832721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76760.

The product of its digits is 5376, while the sum is 30.

The square root of 412832721 is about 20318.2853853370. The cubic root of 412832721 is about 744.6028668800.

The spelling of 412832721 in words is "four hundred twelve million, eight hundred thirty-two thousand, seven hundred twenty-one".