7420620105 has 48 divisors (see below), whose sum is σ = 13723167744. Its totient is φ = 3696376320.

The previous prime is 7420620101. The next prime is 7420620113. The reversal of 7420620105 is 5010260247.

7420620105 is a `hidden beast` number, since 7 + 4 + 20 + 620 + 10 + 5 = 666.

It is not a de Polignac number, because 7420620105 - 2² = 7420620101 is a prime.

It is a super-2 number, since 2×7420620105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7420620101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63192 + ... + 137238.

It is an arithmetic number, because the mean of its divisors is an integer number (285899328).

Almost surely, 2^7420620105 is an apocalyptic number.

It is an amenable number.

7420620105 is a deficient number, since it is larger than the sum of its proper divisors (6302547639).

7420620105 is a wasteful number, since it uses less digits than its factorization.

7420620105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74206 (or 74203 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 7420620105 is about 86143.0212205260. The cubic root of 7420620105 is about 1950.5034952315.

The spelling of 7420620105 in words is "seven billion, four hundred twenty million, six hundred twenty thousand, one hundred five".