7420309146 has 24 divisors (see below), whose sum is σ = 16419409344. Its totient is φ = 2420809800.

The previous prime is 7420309129. The next prime is 7420309159. The reversal of 7420309146 is 6419030247.

It is a super-2 number, since 2×7420309146² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7420309146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4384680 + ... + 4386371.

It is an arithmetic number, because the mean of its divisors is an integer number (684142056).

Almost surely, 2^7420309146 is an apocalyptic number.

7420309146 is an abundant number, since it is smaller than the sum of its proper divisors (8999100198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7420309146 is a wasteful number, since it uses less digits than its factorization.

7420309146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771106 (or 8771103 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7420309146 is about 86141.2163020699. The cubic root of 7420309146 is about 1950.4762497507.

The spelling of 7420309146 in words is "seven billion, four hundred twenty million, three hundred nine thousand, one hundred forty-six".