247080764 has 48 divisors (see below), whose sum is σ = 505982400. Its totient is φ = 103389696.

The previous prime is 247080761. The next prime is 247080767. The reversal of 247080764 is 467080742.

It is an interprime number because it is at equal distance from previous prime (247080761) and next prime (247080767).

It is a super-2 number, since 2×247080764² = 122097807877647392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247080761) 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, 222242 + ... + 223350.

It is an arithmetic number, because the mean of its divisors is an integer number (10541300).

Almost surely, 2^247080764 is an apocalyptic number.

It is an amenable number.

247080764 is an abundant number, since it is smaller than the sum of its proper divisors (258901636).

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

247080764 is a wasteful number, since it uses less digits than its factorization.

247080764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 247080764 is about 15718.8028806268. The cubic root of 247080764 is about 627.4989139836.

The spelling of 247080764 in words is "two hundred forty-seven million, eighty thousand, seven hundred sixty-four".