1371676725 has 36 divisors (see below), whose sum is σ = 2459787876. Its totient is φ = 730679040.

The previous prime is 1371676721. The next prime is 1371676727. The reversal of 1371676725 is 5276761731.

It can be written as a sum of positive squares in 6 ways, for example, as 353364804 + 1018311921 = 18798^2 + 31911^2 .

It is not a de Polignac number, because 1371676725 - 2² = 1371676721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371676721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211227 + ... + 217623.

It is an arithmetic number, because the mean of its divisors is an integer number (68327441).

Almost surely, 2^1371676725 is an apocalyptic number.

1371676725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1371676725 is a deficient number, since it is larger than the sum of its proper divisors (1088111151).

1371676725 is a wasteful number, since it uses less digits than its factorization.

1371676725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7358 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 1371676725 is about 37036.1542954989. The cubic root of 1371676725 is about 1111.0934562102.

The spelling of 1371676725 in words is "one billion, three hundred seventy-one million, six hundred seventy-six thousand, seven hundred twenty-five".