247673013 has 16 divisors (see below), whose sum is σ = 382578816. Its totient is φ = 139587840.

The previous prime is 247673011. The next prime is 247673029. The reversal of 247673013 is 310376742.

247673013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 247673013 - 2¹ = 247673011 is a prime.

It is a super-2 number, since 2×247673013² = 122683842736996338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247673011) 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, 79248 + ... + 82313.

It is an arithmetic number, because the mean of its divisors is an integer number (23911176).

Almost surely, 2^247673013 is an apocalyptic number.

It is an amenable number.

247673013 is a deficient number, since it is larger than the sum of its proper divisors (134905803).

247673013 is a wasteful number, since it uses less digits than its factorization.

247673013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161644.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 247673013 is about 15737.6304760278. The cubic root of 247673013 is about 627.9998825172. Note that the first 3 decimals are identical.

The spelling of 247673013 in words is "two hundred forty-seven million, six hundred seventy-three thousand, thirteen".