425274720 has 384 divisors, whose sum is σ = 1615541760. Its totient is φ = 92897280.

The previous prime is 425274719. The next prime is 425274721. The reversal of 425274720 is 27472524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425274719) and next prime (425274721).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425274721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2015415 + ... + 2015625.

It is an arithmetic number, because the mean of its divisors is an integer number (4207140).

Almost surely, 2^425274720 is an apocalyptic number.

425274720 is a gapful number since it is divisible by the number (40) 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 425274720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807770880).

425274720 is an abundant number, since it is smaller than the sum of its proper divisors (1190267040).

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

425274720 is a wasteful number, since it uses less digits than its factorization.

425274720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 270 counting only the distinct ones).

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

The square root of 425274720 is about 20622.1899903963. The cubic root of 425274720 is about 752.0092612410.

The spelling of 425274720 in words is "four hundred twenty-five million, two hundred seventy-four thousand, seven hundred twenty".