7504210042 has 16 divisors (see below), whose sum is σ = 12885157440. Its totient is φ = 3210890688.

The previous prime is 7504210013. The next prime is 7504210061. The reversal of 7504210042 is 2400124057.

It is a junction number, because it is equal to n+sod(n) for n = 7504209989 and 7504210016.

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, 424303 + ... + 441634.

It is an arithmetic number, because the mean of its divisors is an integer number (805322340).

Almost surely, 2^7504210042 is an apocalyptic number.

7504210042 is a deficient number, since it is larger than the sum of its proper divisors (5380947398).

7504210042 is a wasteful number, since it uses less digits than its factorization.

7504210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866565.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 7504210042 is about 86626.8436571482. The cubic root of 7504210042 is about 1957.8000133445.

Adding to 7504210042 its reverse (2400124057), we get a palindrome (9904334099).

The spelling of 7504210042 in words is "seven billion, five hundred four million, two hundred ten thousand, forty-two".