247494473 has 8 divisors (see below), whose sum is σ = 250853088. Its totient is φ = 244158624.

The previous prime is 247494469. The next prime is 247494487. The reversal of 247494473 is 374494742.

247494473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247494473 - 2² = 247494469 is a prime.

It is a super-2 number, since 2×247494473² = 122507028331095458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247494773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16790 + ... + 27872.

It is an arithmetic number, because the mean of its divisors is an integer number (31356636).

Almost surely, 2^247494473 is an apocalyptic number.

It is an amenable number.

247494473 is a deficient number, since it is larger than the sum of its proper divisors (3358615).

247494473 is a wasteful number, since it uses less digits than its factorization.

247494473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383.

The product of its digits is 677376, while the sum is 44.

The square root of 247494473 is about 15731.9570619806. The cubic root of 247494473 is about 627.8489441886.

The spelling of 247494473 in words is "two hundred forty-seven million, four hundred ninety-four thousand, four hundred seventy-three".