662470272 has 128 divisors (see below), whose sum is σ = 1985083200. Its totient is φ = 217451520.

The previous prime is 662470271. The next prime is 662470273. The reversal of 662470272 is 272074266.

662470272 is a `hidden beast` number, since 6 + 624 + 7 + 0 + 27 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (662470271) and next prime (662470273).

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×662470272² = 877733722567507968, which contains 22 as substring.

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 (662470271) 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, 230122 + ... + 232982.

Almost surely, 2^662470272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662470272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992541600).

662470272 is an abundant number, since it is smaller than the sum of its proper divisors (1322612928).

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

662470272 is a wasteful number, since it uses less digits than its factorization.

662470272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 662470272 is about 25738.4978582667. The cubic root of 662470272 is about 871.7436611504.

The spelling of 662470272 in words is "six hundred sixty-two million, four hundred seventy thousand, two hundred seventy-two".