247002492 has 48 divisors (see below), whose sum is σ = 643370112. Its totient is φ = 73106880.

The previous prime is 247002479. The next prime is 247002517. The reversal of 247002492 is 294200742.

It is a super-2 number, since 2×247002492² = 122020462108420128, which contains 22 as substring.

It is a congruent number.

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, 16083 + ... + 27434.

It is an arithmetic number, because the mean of its divisors is an integer number (13403544).

Almost surely, 2^247002492 is an apocalyptic number.

247002492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

247002492 is an abundant number, since it is smaller than the sum of its proper divisors (396367620).

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

247002492 is a wasteful number, since it uses less digits than its factorization.

247002492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43578 (or 43576 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 247002492 is about 15716.3129263832. The cubic root of 247002492 is about 627.4326457973.

The spelling of 247002492 in words is "two hundred forty-seven million, two thousand, four hundred ninety-two".