247055674 has 4 divisors (see below), whose sum is σ = 370583514. Its totient is φ = 123527836.

The previous prime is 247055663. The next prime is 247055693. The reversal of 247055674 is 476550742.

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

It can be written as a sum of positive squares in only one way, i.e., 208080625 + 38975049 = 14425^2 + 6243^2 .

It is a super-2 number, since 2×247055674² = 122073012111188552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61763917 + ... + 61763920.

Almost surely, 2^247055674 is an apocalyptic number.

247055674 is a deficient number, since it is larger than the sum of its proper divisors (123527840).

247055674 is a wasteful number, since it uses less digits than its factorization.

247055674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123527839.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 247055674 is about 15718.0047715987. The cubic root of 247055674 is about 627.4776733166.

The spelling of 247055674 in words is "two hundred forty-seven million, fifty-five thousand, six hundred seventy-four".