1373773245 has 64 divisors (see below), whose sum is σ = 2549944320. Its totient is φ = 625750272.

The previous prime is 1373773243. The next prime is 1373773273. The reversal of 1373773245 is 5423773731.

It is not a de Polignac number, because 1373773245 - 2¹ = 1373773243 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1373773197 and 1373773206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373773241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155004 + ... + 163626.

It is an arithmetic number, because the mean of its divisors is an integer number (39842880).

Almost surely, 2^1373773245 is an apocalyptic number.

1373773245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1373773245 is a deficient number, since it is larger than the sum of its proper divisors (1176171075).

1373773245 is a wasteful number, since it uses less digits than its factorization.

1373773245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its digits is 370440, while the sum is 42.

The square root of 1373773245 is about 37064.4471832510. The cubic root of 1373773245 is about 1111.6592464392.

The spelling of 1373773245 in words is "one billion, three hundred seventy-three million, seven hundred seventy-three thousand, two hundred forty-five".