1373720471 has 4 divisors (see below), whose sum is σ = 1433447472. Its totient is φ = 1313993472.

The previous prime is 1373720461. The next prime is 1373720477. The reversal of 1373720471 is 1740273731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1373720471 - 2¹⁸ = 1373458327 is a prime.

It is a super-3 number, since 3×1373720471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373720477) 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 3 ways as a sum of consecutive naturals, for example, 29863466 + ... + 29863511.

It is an arithmetic number, because the mean of its divisors is an integer number (358361868).

Almost surely, 2^1373720471 is an apocalyptic number.

1373720471 is a deficient number, since it is larger than the sum of its proper divisors (59727001).

1373720471 is an equidigital number, since it uses as much as digits as its factorization.

1373720471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59727000.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 1373720471 is about 37063.7352542887. The cubic root of 1373720471 is about 1111.6450113252.

The spelling of 1373720471 in words is "one billion, three hundred seventy-three million, seven hundred twenty thousand, four hundred seventy-one".