1372215668 has 6 divisors (see below), whose sum is σ = 2401377426. Its totient is φ = 686107832.

The previous prime is 1372215661. The next prime is 1372215683. The reversal of 1372215668 is 8665122731.

It can be written as a sum of positive squares in only one way, i.e., 1053521764 + 318693904 = 32458^2 + 17852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372215661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171526955 + ... + 171526962.

It is an arithmetic number, because the mean of its divisors is an integer number (400229571).

Almost surely, 2^1372215668 is an apocalyptic number.

It is an amenable number.

1372215668 is a deficient number, since it is larger than the sum of its proper divisors (1029161758).

1372215668 is a wasteful number, since it uses less digits than its factorization.

1372215668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343053921 (or 343053919 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1372215668 is about 37043.4294848628. The cubic root of 1372215668 is about 1111.2389563902.

The spelling of 1372215668 in words is "one billion, three hundred seventy-two million, two hundred fifteen thousand, six hundred sixty-eight".