4457720417 has 8 divisors (see below), whose sum is σ = 4503869760. Its totient is φ = 4411626480.

The previous prime is 4457720411. The next prime is 4457720419. The reversal of 4457720417 is 7140277544.

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 4457720417 - 2⁴ = 4457720401 is a prime.

It is a super-2 number, since 2×4457720417² = 39742542632277307778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4457720411) 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, 158942 + ... + 184872.

It is an arithmetic number, because the mean of its divisors is an integer number (562983720).

Almost surely, 2^4457720417 is an apocalyptic number.

It is an amenable number.

4457720417 is a deficient number, since it is larger than the sum of its proper divisors (46149343).

4457720417 is a wasteful number, since it uses less digits than its factorization.

4457720417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27703.

The product of its (nonzero) digits is 219520, while the sum is 41.

The square root of 4457720417 is about 66766.1622156014. The cubic root of 4457720417 is about 1645.7768237519.

The spelling of 4457720417 in words is "four billion, four hundred fifty-seven million, seven hundred twenty thousand, four hundred seventeen".