7481904042 has 16 divisors (see below), whose sum is σ = 15019028352. Its totient is φ = 2484764640.

The previous prime is 7481904041. The next prime is 7481904083. The reversal of 7481904042 is 2404091847.

It is not an unprimeable number, because it can be changed into a prime (7481904041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299083 + ... + 2302334.

It is an arithmetic number, because the mean of its divisors is an integer number (938689272).

Almost surely, 2^7481904042 is an apocalyptic number.

7481904042 is an abundant number, since it is smaller than the sum of its proper divisors (7537124310).

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

7481904042 is a wasteful number, since it uses less digits than its factorization.

7481904042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601693.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 7481904042 is about 86498.0002196583. Note that the first 3 decimals coincide. The cubic root of 7481904042 is about 1955.8582576141.

Adding to 7481904042 its reverse (2404091847), we get a palindrome (9885995889).

The spelling of 7481904042 in words is "seven billion, four hundred eighty-one million, nine hundred four thousand, forty-two".