1972272240694 has 8 divisors (see below), whose sum is σ = 3381038126928. Its totient is φ = 845259531720.

The previous prime is 1972272240691. The next prime is 1972272240709. The reversal of 1972272240694 is 4960422722791.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972272240691) 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, 70438294297 + ... + 70438294324.

It is an arithmetic number, because the mean of its divisors is an integer number (422629765866).

Almost surely, 2^{1972272240694} is an apocalyptic number.

1972272240694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1972272240694 is a deficient number, since it is larger than the sum of its proper divisors (1408765886234).

1972272240694 is a wasteful number, since it uses less digits than its factorization.

1972272240694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140876588630.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 1972272240694 in words is "one trillion, nine hundred seventy-two billion, two hundred seventy-two million, two hundred forty thousand, six hundred ninety-four".