1931368072 has 8 divisors (see below), whose sum is σ = 3621315150. Its totient is φ = 965684032.

The previous prime is 1931368001. The next prime is 1931368093. The reversal of 1931368072 is 2708631391.

It can be written as a sum of positive squares in only one way, i.e., 1841611396 + 89756676 = 42914^2 + 9474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120710497 + ... + 120710512.

Almost surely, 2^1931368072 is an apocalyptic number.

It is an amenable number.

1931368072 is a deficient number, since it is larger than the sum of its proper divisors (1689947078).

1931368072 is a wasteful number, since it uses less digits than its factorization.

1931368072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241421015 (or 241421011 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1931368072 is about 43947.3329338653. The cubic root of 1931368072 is about 1245.3411799148.

The spelling of 1931368072 in words is "one billion, nine hundred thirty-one million, three hundred sixty-eight thousand, seventy-two".