247077042 has 32 divisors (see below), whose sum is σ = 516499200. Its totient is φ = 78693888.

The previous prime is 247076989. The next prime is 247077053. The reversal of 247077042 is 240770742.

247077042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247077042² = 122094129366939528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247076994 and 247077012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9559 + ... + 24197.

It is an arithmetic number, because the mean of its divisors is an integer number (16140600).

Almost surely, 2^247077042 is an apocalyptic number.

247077042 is an abundant number, since it is smaller than the sum of its proper divisors (269422158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247077042 is a wasteful number, since it uses less digits than its factorization.

247077042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 247077042 is about 15718.6844869410. The cubic root of 247077042 is about 627.4957631074.

The spelling of 247077042 in words is "two hundred forty-seven million, seventy-seven thousand, forty-two".