1974749760 has 112 divisors (see below), whose sum is σ = 6966508800. Its totient is φ = 526597632.

The previous prime is 1974749753. The next prime is 1974749771. The reversal of 1974749760 is 679474791.

1974749760 is a `hidden beast` number, since 1 + 97 + 4 + 7 + 497 + 60 = 666.

It is a super-2 number, since 2×1974749760² = 7799273229240115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1974749697 and 1974749706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105640 + ... + 122919.

Almost surely, 2^1974749760 is an apocalyptic number.

1974749760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1974749760 is an abundant number, since it is smaller than the sum of its proper divisors (4991759040).

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

1974749760 is a wasteful number, since it uses less digits than its factorization.

1974749760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228585 (or 228569 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 1974749760 is about 44438.1565774279. The cubic root of 1974749760 is about 1254.5963601959.

The spelling of 1974749760 in words is "one billion, nine hundred seventy-four million, seven hundred forty-nine thousand, seven hundred sixty".