425201720 has 32 divisors (see below), whose sum is σ = 972393120. Its totient is φ = 167291520.

The previous prime is 425201719. The next prime is 425201729. The reversal of 425201720 is 27102524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425201729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84692 + ... + 89571.

It is an arithmetic number, because the mean of its divisors is an integer number (30387285).

Almost surely, 2^425201720 is an apocalyptic number.

425201720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425201720 is an abundant number, since it is smaller than the sum of its proper divisors (547191400).

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

425201720 is a wasteful number, since it uses less digits than its factorization.

425201720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174335 (or 174331 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 425201720 is about 20620.4199763244. The cubic root of 425201720 is about 751.9662303758.

The spelling of 425201720 in words is "four hundred twenty-five million, two hundred one thousand, seven hundred twenty".