7420616405 has 16 divisors (see below), whose sum is σ = 8970490368. Its totient is φ = 5892720000.

The previous prime is 7420616393. The next prime is 7420616407. The reversal of 7420616405 is 5046160247.

It is not a de Polignac number, because 7420616405 - 2¹⁴ = 7420600021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420616407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296500 + ... + 1302210.

It is an arithmetic number, because the mean of its divisors is an integer number (560655648).

Almost surely, 2^7420616405 is an apocalyptic number.

It is an amenable number.

7420616405 is a deficient number, since it is larger than the sum of its proper divisors (1549873963).

7420616405 is a wasteful number, since it uses less digits than its factorization.

7420616405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 7420616405 is about 86142.9997446107. Note that the first 3 decimals coincide. The cubic root of 7420616405 is about 1950.5031710509.

The spelling of 7420616405 in words is "seven billion, four hundred twenty million, six hundred sixteen thousand, four hundred five".