7402125612 has 72 divisors (see below), whose sum is σ = 20119712256. Its totient is φ = 2111921952.

The previous prime is 7402125587. The next prime is 7402125631. The reversal of 7402125612 is 2165212047.

It is a self number, because there is not a number n which added to its sum of digits gives 7402125612.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428413 + ... + 445355.

It is an arithmetic number, because the mean of its divisors is an integer number (279440448).

Almost surely, 2^7402125612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7402125612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10059856128).

7402125612 is an abundant number, since it is smaller than the sum of its proper divisors (12717586644).

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

7402125612 is a wasteful number, since it uses less digits than its factorization.

7402125612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17698 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 7402125612 is about 86035.6066521298. The cubic root of 7402125612 is about 1948.8817267384.

Adding to 7402125612 its reverse (2165212047), we get a palindrome (9567337659).

The spelling of 7402125612 in words is "seven billion, four hundred two million, one hundred twenty-five thousand, six hundred twelve".