1972010737 has 4 divisors (see below), whose sum is σ = 1972344816. Its totient is φ = 1971676660.

The previous prime is 1972010723. The next prime is 1972010753. The reversal of 1972010737 is 7370102791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1972010737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1972010696 and 1972010705.

It is not an unprimeable number, because it can be changed into a prime (1972010717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158023 + ... + 170044.

It is an arithmetic number, because the mean of its divisors is an integer number (493086204).

Almost surely, 2^1972010737 is an apocalyptic number.

It is an amenable number.

1972010737 is a deficient number, since it is larger than the sum of its proper divisors (334079).

1972010737 is an equidigital number, since it uses as much as digits as its factorization.

1972010737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334078.

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 1972010737 is about 44407.3275147244. The cubic root of 1972010737 is about 1254.0160405431.

The spelling of 1972010737 in words is "one billion, nine hundred seventy-two million, ten thousand, seven hundred thirty-seven".