7430279042 has 16 divisors (see below), whose sum is σ = 11804004960. Its totient is φ = 3498010272.

The previous prime is 7430279039. The next prime is 7430279071. The reversal of 7430279042 is 2409720347.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 7430278987 and 7430279005.

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, 593603 + ... + 605990.

It is an arithmetic number, because the mean of its divisors is an integer number (737750310).

Almost surely, 2^7430279042 is an apocalyptic number.

7430279042 is a deficient number, since it is larger than the sum of its proper divisors (4373725918).

7430279042 is a wasteful number, since it uses less digits than its factorization.

7430279042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199777.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 7430279042 is about 86199.0663638534. The cubic root of 7430279042 is about 1951.3494093574.

Adding to 7430279042 its reverse (2409720347), we get a palindrome (9839999389).

The spelling of 7430279042 in words is "seven billion, four hundred thirty million, two hundred seventy-nine thousand, forty-two".