37972349967 has 8 divisors (see below), whose sum is σ = 50631416496. Its totient is φ = 25314091712.

The previous prime is 37972349959. The next prime is 37972349969. The reversal of 37972349967 is 76994327973.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 37972349967 - 2³ = 37972349959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37972349898 and 37972349907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37972349969) 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, 82308 + ... + 287609.

It is an arithmetic number, because the mean of its divisors is an integer number (6328927062).

Almost surely, 2^37972349967 is an apocalyptic number.

37972349967 is a deficient number, since it is larger than the sum of its proper divisors (12659066529).

37972349967 is a wasteful number, since it uses less digits than its factorization.

37972349967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404137.

The product of its digits is 108020304, while the sum is 66.

The spelling of 37972349967 in words is "thirty-seven billion, nine hundred seventy-two million, three hundred forty-nine thousand, nine hundred sixty-seven".