7040309772 has 24 divisors (see below), whose sum is σ = 16480219392. Its totient is φ = 2339222800.

The previous prime is 7040309753. The next prime is 7040309789. The reversal of 7040309772 is 2779030407.

It is a self number, because there is not a number n which added to its sum of digits gives 7040309772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939504 + ... + 946967.

It is an arithmetic number, because the mean of its divisors is an integer number (686675808).

Almost surely, 2^7040309772 is an apocalyptic number.

It is an amenable number.

7040309772 is an abundant number, since it is smaller than the sum of its proper divisors (9439909620).

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

7040309772 is a wasteful number, since it uses less digits than its factorization.

7040309772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886789 (or 1886787 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 7040309772 is about 83906.5538083885. The cubic root of 7040309772 is about 1916.5960531649.

The spelling of 7040309772 in words is "seven billion, forty million, three hundred nine thousand, seven hundred seventy-two".