1315072473 has 32 divisors (see below), whose sum is σ = 2086103040. Its totient is φ = 726373440.

The previous prime is 1315072459. The next prime is 1315072487. The reversal of 1315072473 is 3742705131.

It is an interprime number because it is at equal distance from previous prime (1315072459) and next prime (1315072487).

It is not a de Polignac number, because 1315072473 - 2⁴ = 1315072457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1315072273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14490 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (65190720).

Almost surely, 2^1315072473 is an apocalyptic number.

1315072473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1315072473 is a deficient number, since it is larger than the sum of its proper divisors (771030567).

1315072473 is a wasteful number, since it uses less digits than its factorization.

1315072473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38909.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1315072473 is about 36263.9279863613. The cubic root of 1315072473 is about 1095.5946320984.

The spelling of 1315072473 in words is "one billion, three hundred fifteen million, seventy-two thousand, four hundred seventy-three".