690457007 has 8 divisors (see below), whose sum is σ = 697868784. Its totient is φ = 683068288.

The previous prime is 690456953. The next prime is 690457039. The reversal of 690457007 is 700754096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690457007 - 2¹² = 690452911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690457087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58193 + ... + 69045.

It is an arithmetic number, because the mean of its divisors is an integer number (87233598).

Almost surely, 2^690457007 is an apocalyptic number.

690457007 is a deficient number, since it is larger than the sum of its proper divisors (7411777).

690457007 is a wasteful number, since it uses less digits than its factorization.

690457007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11529.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 690457007 is about 26276.5486127840. The cubic root of 690457007 is about 883.8506394222.

The spelling of 690457007 in words is "six hundred ninety million, four hundred fifty-seven thousand, seven".