1972684015 has 32 divisors (see below), whose sum is σ = 2444083200. Its totient is φ = 1528015104.

The previous prime is 1972683997. The next prime is 1972684027. The reversal of 1972684015 is 5104862791.

It is a cyclic number.

It is not a de Polignac number, because 1972684015 - 2⁷ = 1972683887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8466339 + ... + 8466571.

It is an arithmetic number, because the mean of its divisors is an integer number (76377600).

Almost surely, 2^1972684015 is an apocalyptic number.

1972684015 is a deficient number, since it is larger than the sum of its proper divisors (471399185).

1972684015 is a wasteful number, since it uses less digits than its factorization.

1972684015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1972684015 is about 44414.9075761731. The cubic root of 1972684015 is about 1254.1587384382.

The spelling of 1972684015 in words is "one billion, nine hundred seventy-two million, six hundred eighty-four thousand, fifteen".