1974772976 has 20 divisors (see below), whose sum is σ = 4173952344. Its totient is φ = 897624000.

The previous prime is 1974772973. The next prime is 1974772981. The reversal of 1974772976 is 6792774791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974772973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5609975 + ... + 5610326.

Almost surely, 2^1974772976 is an apocalyptic number.

1974772976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1974772976 is an abundant number, since it is smaller than the sum of its proper divisors (2199179368).

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

1974772976 is a wasteful number, since it uses less digits than its factorization.

1974772976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220320 (or 11220314 counting only the distinct ones).

The product of its digits is 9335088, while the sum is 59.

The square root of 1974772976 is about 44438.4177936164. The cubic root of 1974772976 is about 1254.6012766999.

The spelling of 1974772976 in words is "one billion, nine hundred seventy-four million, seven hundred seventy-two thousand, nine hundred seventy-six".