6472121407 has 8 divisors (see below), whose sum is σ = 6586667280. Its totient is φ = 6357737280.

The previous prime is 6472121401. The next prime is 6472121423. The reversal of 6472121407 is 7041212746.

It is a happy number.

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 6472121407 - 2¹⁵ = 6472088639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41763 + ... + 121195.

It is an arithmetic number, because the mean of its divisors is an integer number (823333410).

Almost surely, 2^6472121407 is an apocalyptic number.

6472121407 is a deficient number, since it is larger than the sum of its proper divisors (114545873).

6472121407 is a wasteful number, since it uses less digits than its factorization.

6472121407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80873.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 6472121407 is about 80449.4960021503. The cubic root of 6472121407 is about 1863.5836224482.

The spelling of 6472121407 in words is "six billion, four hundred seventy-two million, one hundred twenty-one thousand, four hundred seven".