690006753 has 24 divisors (see below), whose sum is σ = 1024479456. Its totient is φ = 447249600.

The previous prime is 690006749. The next prime is 690006763. The reversal of 690006753 is 357600096.

It is a happy number.

It is not a de Polignac number, because 690006753 - 2² = 690006749 is a prime.

It is a super-2 number, since 2×690006753² = 952218638371206018, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (690006763) 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, 110238 + ... + 116328.

It is an arithmetic number, because the mean of its divisors is an integer number (42686644).

Almost surely, 2^690006753 is an apocalyptic number.

It is an amenable number.

690006753 is a deficient number, since it is larger than the sum of its proper divisors (334472703).

690006753 is a wasteful number, since it uses less digits than its factorization.

690006753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 690006753 is about 26267.9796139711. The cubic root of 690006753 is about 883.6584749972.

The spelling of 690006753 in words is "six hundred ninety million, six thousand, seven hundred fifty-three".