1373273473 has 16 divisors (see below), whose sum is σ = 1637447616. Its totient is φ = 1135189440.

The previous prime is 1373273411. The next prime is 1373273477. The reversal of 1373273473 is 3743723731.

It is not a de Polignac number, because 1373273473 - 2⁹ = 1373272961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373273477) 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, 62086 + ... + 81247.

It is an arithmetic number, because the mean of its divisors is an integer number (102340476).

Almost surely, 2^1373273473 is an apocalyptic number.

1373273473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1373273473 is a deficient number, since it is larger than the sum of its proper divisors (264174143).

1373273473 is a wasteful number, since it uses less digits than its factorization.

1373273473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143424.

The product of its digits is 222264, while the sum is 40.

The square root of 1373273473 is about 37057.7046374974. The cubic root of 1373273473 is about 1111.5244246864.

The spelling of 1373273473 in words is "one billion, three hundred seventy-three million, two hundred seventy-three thousand, four hundred seventy-three".