4274520 has 64 divisors (see below), whose sum is σ = 12960000. Its totient is φ = 1127808.

The previous prime is 4274489. The next prime is 4274521. The reversal of 4274520 is 254724.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 4 + 2⁵ + 7 + 4¹¹ + 5⁷ + 2¹¹ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4274521) 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, 21381 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (202500).

Almost surely, 2^4274520 is an apocalyptic number.

4274520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

4274520 is the 1194-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4274520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480000).

4274520 is an abundant number, since it is smaller than the sum of its proper divisors (8685480).

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

4274520 is a wasteful number, since it uses less digits than its factorization.

4274520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4274520 is about 2067.4912333551. The cubic root of 4274520 is about 162.2915038058.

The spelling of 4274520 in words is "four million, two hundred seventy-four thousand, five hundred twenty".