412720657 has 8 divisors (see below), whose sum is σ = 420716160. Its totient is φ = 404785920.

The previous prime is 412720619. The next prime is 412720661. The reversal of 412720657 is 756027214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412720657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412720687) 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 7 ways as a sum of consecutive naturals, for example, 1357 + ... + 28762.

It is an arithmetic number, because the mean of its divisors is an integer number (52589520).

Almost surely, 2^412720657 is an apocalyptic number.

It is an amenable number.

412720657 is a deficient number, since it is larger than the sum of its proper divisors (7995503).

412720657 is a wasteful number, since it uses less digits than its factorization.

412720657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30383.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 412720657 is about 20315.5274851528. The cubic root of 412720657 is about 744.5354862980.

The spelling of 412720657 in words is "four hundred twelve million, seven hundred twenty thousand, six hundred fifty-seven".