4073721442 has 16 divisors (see below), whose sum is σ = 6986817792. Its totient is φ = 1745056800.

The previous prime is 4073721427. The next prime is 4073721451. The reversal of 4073721442 is 2441273704.

It is a junction number, because it is equal to n+sod(n) for n = 4073721398 and 4073721407.

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, 37434 + ... + 97717.

It is an arithmetic number, because the mean of its divisors is an integer number (436676112).

Almost surely, 2^4073721442 is an apocalyptic number.

4073721442 is a deficient number, since it is larger than the sum of its proper divisors (2913096350).

4073721442 is a wasteful number, since it uses less digits than its factorization.

4073721442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137313.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 4073721442 is about 63825.7114492271. The cubic root of 4073721442 is about 1597.0938707977.

The spelling of 4073721442 in words is "four billion, seventy-three million, seven hundred twenty-one thousand, four hundred forty-two".