4031420737 has 4 divisors (see below), whose sum is σ = 4032640900. Its totient is φ = 4030200576.

The previous prime is 4031420713. The next prime is 4031420747. The reversal of 4031420737 is 7370241304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2959251201 + 1072169536 = 54399^2 + 32744^2 .

It is a cyclic number.

It is not a de Polignac number, because 4031420737 - 2⁷ = 4031420609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4031420699 and 4031420708.

It is not an unprimeable number, because it can be changed into a prime (4031420747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605112 + ... + 611737.

It is an arithmetic number, because the mean of its divisors is an integer number (1008160225).

Almost surely, 2^4031420737 is an apocalyptic number.

It is an amenable number.

4031420737 is a deficient number, since it is larger than the sum of its proper divisors (1220163).

4031420737 is a wasteful number, since it uses less digits than its factorization.

4031420737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220162.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 4031420737 is about 63493.4700343272. The cubic root of 4031420737 is about 1591.5466585883.

The spelling of 4031420737 in words is "four billion, thirty-one million, four hundred twenty thousand, seven hundred thirty-seven".