1973662272 has 42 divisors (see below), whose sum is σ = 5657148198. Its totient is φ = 657887232.

The previous prime is 1973662267. The next prime is 1973662303. The reversal of 1973662272 is 2722663791.

1973662272 is a `hidden beast` number, since 19 + 7 + 3 + 6 + 622 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1864166976 + 109495296 = 43176^2 + 10464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1712673 + ... + 1713824.

Almost surely, 2^1973662272 is an apocalyptic number.

1973662272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1973662272 is an abundant number, since it is smaller than the sum of its proper divisors (3683485926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973662272 is a wasteful number, since it uses less digits than its factorization.

1973662272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426515 (or 3426502 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 1973662272 is about 44425.9189212784. The cubic root of 1973662272 is about 1254.3660172532.

The spelling of 1973662272 in words is "one billion, nine hundred seventy-three million, six hundred sixty-two thousand, two hundred seventy-two".