7920001459 has 8 divisors (see below), whose sum is σ = 8043738768. Its totient is φ = 7796426880.

The previous prime is 7920001421. The next prime is 7920001487. The reversal of 7920001459 is 9541000297.

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 7920001459 - 2¹¹ = 7919999411 is a prime.

It is a super-2 number, since 2×7920001459² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7920061459) 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, 59319 + ... + 139135.

It is an arithmetic number, because the mean of its divisors is an integer number (1005467346).

Almost surely, 2^7920001459 is an apocalyptic number.

7920001459 is a deficient number, since it is larger than the sum of its proper divisors (123737309).

7920001459 is a wasteful number, since it uses less digits than its factorization.

7920001459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81365.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 7920001459 is about 88994.3900422942. The cubic root of 7920001459 is about 1993.3111092259.

The spelling of 7920001459 in words is "seven billion, nine hundred twenty million, one thousand, four hundred fifty-nine".