663070932 has 36 divisors (see below), whose sum is σ = 1721399316. Its totient is φ = 215049600.

The previous prime is 663070909. The next prime is 663070939. The reversal of 663070932 is 239070366.

It can be written as a sum of positive squares in 2 ways, for example, as 612859536 + 50211396 = 24756^2 + 7086^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663070939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247569 + ... + 250232.

Almost surely, 2^663070932 is an apocalyptic number.

It is an amenable number.

663070932 is an abundant number, since it is smaller than the sum of its proper divisors (1058328384).

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

663070932 is a wasteful number, since it uses less digits than its factorization.

663070932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497848 (or 497843 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 663070932 is about 25750.1637276348. The cubic root of 663070932 is about 872.0070507664.

The spelling of 663070932 in words is "six hundred sixty-three million, seventy thousand, nine hundred thirty-two".