1972304972 has 48 divisors (see below), whose sum is σ = 3816529920. Its totient is φ = 884376000.

The previous prime is 1972304941. The next prime is 1972304981. The reversal of 1972304972 is 2794032791.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541429 + ... + 1542707.

It is an arithmetic number, because the mean of its divisors is an integer number (79511040).

Almost surely, 2^1972304972 is an apocalyptic number.

It is an amenable number.

1972304972 is a deficient number, since it is larger than the sum of its proper divisors (1844224948).

1972304972 is a wasteful number, since it uses less digits than its factorization.

1972304972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1972304972 is about 44410.6403016214. The cubic root of 1972304972 is about 1254.0784061704.

Multiplying 1972304972 by its sum of digits (44), we get a palindrome (86781418768).

It can be divided in two parts, 197230 and 4972, that added together give a palindrome (202202).

The spelling of 1972304972 in words is "one billion, nine hundred seventy-two million, three hundred four thousand, nine hundred seventy-two".