1974735844 has 27 divisors (see below), whose sum is σ = 3673837993. Its totient is φ = 928576448.

The previous prime is 1974735809. The next prime is 1974735853. The reversal of 1974735844 is 4485374791.

It is a happy number.

The square root of 1974735844 is 44438.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1537424100 + 437311744 = 39210^2 + 20912^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1974735791 and 1974735800.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1510239 + ... + 1511545.

Almost surely, 2^1974735844 is an apocalyptic number.

1974735844 is the 44438-th square number.

It is an amenable number.

1974735844 is a deficient number, since it is larger than the sum of its proper divisors (1699102149).

1974735844 is an equidigital number, since it uses as much as digits as its factorization.

1974735844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 1326 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The cubic root of 1974735844 is about 1254.5934131552.

The spelling of 1974735844 in words is "one billion, nine hundred seventy-four million, seven hundred thirty-five thousand, eight hundred forty-four".