4037723642 has 8 divisors (see below), whose sum is σ = 6220277076. Its totient is φ = 1964297952.

The previous prime is 4037723629. The next prime is 4037723653. The reversal of 4037723642 is 2463277304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4033393081 + 4330561 = 63509^2 + 2081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4037723596 and 4037723605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27281843 + ... + 27281990.

Almost surely, 2^4037723642 is an apocalyptic number.

4037723642 is a deficient number, since it is larger than the sum of its proper divisors (2182553434).

4037723642 is a wasteful number, since it uses less digits than its factorization.

4037723642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54563872.

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 4037723642 is about 63543.0849266858. The cubic root of 4037723642 is about 1592.3756586482.

The spelling of 4037723642 in words is "four billion, thirty-seven million, seven hundred twenty-three thousand, six hundred forty-two".