1973762564 has 12 divisors (see below), whose sum is σ = 3461010000. Its totient is φ = 984902568.

The previous prime is 1973762561. The next prime is 1973762569. The reversal of 1973762564 is 4652673791.

It is not an unprimeable number, because it can be changed into a prime (1973762561) 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, 492434 + ... + 496425.

It is an arithmetic number, because the mean of its divisors is an integer number (288417500).

Almost surely, 2^1973762564 is an apocalyptic number.

It is an amenable number.

1973762564 is a deficient number, since it is larger than the sum of its proper divisors (1487247436).

1973762564 is a wasteful number, since it uses less digits than its factorization.

1973762564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989362 (or 989360 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The square root of 1973762564 is about 44427.0476624319. The cubic root of 1973762564 is about 1254.3872638376.

The spelling of 1973762564 in words is "one billion, nine hundred seventy-three million, seven hundred sixty-two thousand, five hundred sixty-four".