247474500 has 384 divisors, whose sum is σ = 929510400. Its totient is φ = 50803200.

The previous prime is 247474489. The next prime is 247474523. The reversal of 247474500 is 5474742.

It is a super-2 number, since 2×247474500² = 122487256300500000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6688482 + ... + 6688518.

It is an arithmetic number, because the mean of its divisors is an integer number (2420600).

Almost surely, 2^247474500 is an apocalyptic number.

247474500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247474500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464755200).

247474500 is an abundant number, since it is smaller than the sum of its proper divisors (682035900).

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

247474500 is a wasteful number, since it uses less digits than its factorization.

247474500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 247474500 is about 15731.3222584753. The cubic root of 247474500 is about 627.8320544319.

The spelling of 247474500 in words is "two hundred forty-seven million, four hundred seventy-four thousand, five hundred".