662973480 has 288 divisors, whose sum is σ = 2474255160. Its totient is φ = 153354240.

The previous prime is 662973473. The next prime is 662973529. The reversal of 662973480 is 84379266.

It can be written as a sum of positive squares in 12 ways, for example, as 62821476 + 600152004 = 7926^2 + 24498^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1033960 + ... + 1034600.

Almost surely, 2^662973480 is an apocalyptic number.

662973480 is a gapful number since it is divisible by the number (60) 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 662973480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237127580).

662973480 is an abundant number, since it is smaller than the sum of its proper divisors (1811281680).

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

662973480 is a wasteful number, since it uses less digits than its factorization.

662973480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 662973480 is about 25748.2713982900. The cubic root of 662973480 is about 871.9643288441.

The spelling of 662973480 in words is "six hundred sixty-two million, nine hundred seventy-three thousand, four hundred eighty".