1373273601 has 16 divisors (see below), whose sum is σ = 2093422464. Its totient is φ = 784422144.

The previous prime is 1373273597. The next prime is 1373273633. The reversal of 1373273601 is 1063723731.

It is a happy number.

It is not a de Polignac number, because 1373273601 - 2² = 1373273597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1373273201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49551 + ... + 72123.

It is an arithmetic number, because the mean of its divisors is an integer number (130838904).

Almost surely, 2^1373273601 is an apocalyptic number.

It is an amenable number.

1373273601 is a deficient number, since it is larger than the sum of its proper divisors (720148863).

1373273601 is a wasteful number, since it uses less digits than its factorization.

1373273601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25480.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 1373273601 is about 37057.7063645337. The cubic root of 1373273601 is about 1111.5244592207.

The spelling of 1373273601 in words is "one billion, three hundred seventy-three million, two hundred seventy-three thousand, six hundred one".