1972672346 has 16 divisors (see below), whose sum is σ = 2969965440. Its totient is φ = 982691040.

The previous prime is 1972672337. The next prime is 1972672369. The reversal of 1972672346 is 6432762791.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1972672346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972185 + ... + 974211.

It is an arithmetic number, because the mean of its divisors is an integer number (185622840).

Almost surely, 2^1972672346 is an apocalyptic number.

1972672346 is a deficient number, since it is larger than the sum of its proper divisors (997293094).

1972672346 is a wasteful number, since it uses less digits than its factorization.

1972672346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589.

The product of its digits is 762048, while the sum is 47.

The square root of 1972672346 is about 44414.7762124273. The cubic root of 1972672346 is about 1254.1562655287.

The spelling of 1972672346 in words is "one billion, nine hundred seventy-two million, six hundred seventy-two thousand, three hundred forty-six".