1970972624 has 20 divisors (see below), whose sum is σ = 3819593700. Its totient is φ = 985271040.

The previous prime is 1970972621. The next prime is 1970972687. The reversal of 1970972624 is 4262790791.

It can be written as a sum of positive squares in 2 ways, for example, as 1489960000 + 481012624 = 38600^2 + 21932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970972621) 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, 83054 + ... + 104114.

It is an arithmetic number, because the mean of its divisors is an integer number (190979685).

Almost surely, 2^1970972624 is an apocalyptic number.

It is an amenable number.

1970972624 is a deficient number, since it is larger than the sum of its proper divisors (1848621076).

1970972624 is a wasteful number, since it uses less digits than its factorization.

1970972624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918 (or 26912 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 1970972624 is about 44395.6374433345. The cubic root of 1970972624 is about 1253.7959540377.

The spelling of 1970972624 in words is "one billion, nine hundred seventy million, nine hundred seventy-two thousand, six hundred twenty-four".