690533272 has 32 divisors (see below), whose sum is σ = 1521107280. Its totient is φ = 289733760.

The previous prime is 690533243. The next prime is 690533273. The reversal of 690533272 is 272335096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690533273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300663 + ... + 302950.

Almost surely, 2^690533272 is an apocalyptic number.

It is an amenable number.

690533272 is an abundant number, since it is smaller than the sum of its proper divisors (830574008).

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

690533272 is a wasteful number, since it uses less digits than its factorization.

690533272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603643 (or 603639 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 690533272 is about 26277.9997716721. Note that the first 3 decimals coincide. The cubic root of 690533272 is about 883.8831803754.

The spelling of 690533272 in words is "six hundred ninety million, five hundred thirty-three thousand, two hundred seventy-two".