1972458774760 has 16 divisors (see below), whose sum is σ = 4438032243300. Its totient is φ = 788983509888.

The previous prime is 1972458774757. The next prime is 1972458774779. The reversal of 1972458774760 is 674778542791.

It can be written as a sum of positive squares in 2 ways, for example, as 1970424223524 + 2034551236 = 1403718^2 + 45106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24655734645 + ... + 24655734724.

Almost surely, 2^{1972458774760} is an apocalyptic number.

1972458774760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1972458774760 is an abundant number, since it is smaller than the sum of its proper divisors (2465573468540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1972458774760 is a wasteful number, since it uses less digits than its factorization.

1972458774760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49311469380 (or 49311469376 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 67.

The spelling of 1972458774760 in words is "one trillion, nine hundred seventy-two billion, four hundred fifty-eight million, seven hundred seventy-four thousand, seven hundred sixty".