427670208 has 168 divisors, whose sum is σ = 1421127968. Its totient is φ = 120434688.

The previous prime is 427670189. The next prime is 427670209. The reversal of 427670208 is 802076724.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (427670209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293610 + ... + 295062.

Almost surely, 2^427670208 is an apocalyptic number.

427670208 is a gapful number since it is divisible by the number (48) 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 427670208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710563984).

427670208 is an abundant number, since it is smaller than the sum of its proper divisors (993457760).

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

427670208 is a wasteful number, since it uses less digits than its factorization.

427670208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 427670208 is about 20680.1887805697. The cubic root of 427670208 is about 753.4185913026.

The spelling of 427670208 in words is "four hundred twenty-seven million, six hundred seventy thousand, two hundred eight".