1372260644 has 6 divisors (see below), whose sum is σ = 2401456134. Its totient is φ = 686130320.

The previous prime is 1372260641. The next prime is 1372260653. The reversal of 1372260644 is 4460622731.

It can be written as a sum of positive squares in only one way, i.e., 1172377600 + 199883044 = 34240^2 + 14138^2 .

It is not an unprimeable number, because it can be changed into a prime (1372260641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171532577 + ... + 171532584.

It is an arithmetic number, because the mean of its divisors is an integer number (400242689).

Almost surely, 2^1372260644 is an apocalyptic number.

It is an amenable number.

1372260644 is a deficient number, since it is larger than the sum of its proper divisors (1029195490).

1372260644 is a wasteful number, since it uses less digits than its factorization.

1372260644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343065165 (or 343065163 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1372260644 is about 37044.0365511104. The cubic root of 1372260644 is about 1111.2510969836.

The spelling of 1372260644 in words is "one billion, three hundred seventy-two million, two hundred sixty thousand, six hundred forty-four".