7421407117 has 4 divisors (see below), whose sum is σ = 7437506076. Its totient is φ = 7405308160.

The previous prime is 7421407093. The next prime is 7421407121. The reversal of 7421407117 is 7117041247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7117041247 = 311 ⋅22884377.

It can be written as a sum of positive squares in 2 ways, for example, as 4151740356 + 3269666761 = 64434^2 + 57181^2 .

It is a cyclic number.

It is not a de Polignac number, because 7421407117 - 2¹⁹ = 7420882829 is a prime.

It is a super-3 number, since 3×7421407117³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421407187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8048788 + ... + 8049709.

It is an arithmetic number, because the mean of its divisors is an integer number (1859376519).

Almost surely, 2^7421407117 is an apocalyptic number.

It is an amenable number.

7421407117 is a deficient number, since it is larger than the sum of its proper divisors (16098959).

7421407117 is a wasteful number, since it uses less digits than its factorization.

7421407117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16098958.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 7421407117 is about 86147.5891537308. The cubic root of 7421407117 is about 1950.5724479322.

The spelling of 7421407117 in words is "seven billion, four hundred twenty-one million, four hundred seven thousand, one hundred seventeen".