1972356795 has 12 divisors (see below), whose sum is σ = 3418751856. Its totient is φ = 1051923600.

The previous prime is 1972356791. The next prime is 1972356797. The reversal of 1972356795 is 5976532791.

1972356795 is a `hidden beast` number, since 1 + 9 + 72 + 3 + 567 + 9 + 5 = 666.

It is not a de Polignac number, because 1972356795 - 2² = 1972356791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1972356791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21915031 + ... + 21915120.

It is an arithmetic number, because the mean of its divisors is an integer number (284895988).

Almost surely, 2^1972356795 is an apocalyptic number.

1972356795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1972356795 is a deficient number, since it is larger than the sum of its proper divisors (1446395061).

1972356795 is a wasteful number, since it uses less digits than its factorization.

1972356795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830162 (or 43830159 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The square root of 1972356795 is about 44411.2237503089. The cubic root of 1972356795 is about 1254.0893898565.

The spelling of 1972356795 in words is "one billion, nine hundred seventy-two million, three hundred fifty-six thousand, seven hundred ninety-five".