1370520473 has 4 divisors (see below), whose sum is σ = 1566309120. Its totient is φ = 1174731828.

The previous prime is 1370520461. The next prime is 1370520479. The reversal of 1370520473 is 3740250731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1370520473 - 2¹² = 1370516377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370520479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97894313 + ... + 97894326.

It is an arithmetic number, because the mean of its divisors is an integer number (391577280).

Almost surely, 2^1370520473 is an apocalyptic number.

It is an amenable number.

1370520473 is a deficient number, since it is larger than the sum of its proper divisors (195788647).

1370520473 is an equidigital number, since it uses as much as digits as its factorization.

1370520473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195788646.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1370520473 is about 37020.5412305115. The cubic root of 1370520473 is about 1110.7811704857.

The spelling of 1370520473 in words is "one billion, three hundred seventy million, five hundred twenty thousand, four hundred seventy-three".