7700690 has 8 divisors (see below), whose sum is σ = 13861260. Its totient is φ = 3080272.

The previous prime is 7700687. The next prime is 7700717. The reversal of 7700690 is 960077.

It can be written as a sum of positive squares in 2 ways, for example, as 7166329 + 534361 = 2677^2 + 731^2 .

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

It is a super-2 number, since 2×7700690² = 118601252952200, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385025 + ... + 385044.

Almost surely, 2^7700690 is an apocalyptic number.

7700690 is a deficient number, since it is larger than the sum of its proper divisors (6160570).

7700690 is a wasteful number, since it uses less digits than its factorization.

7700690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770076.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 7700690 is about 2775.0117116870. The cubic root of 7700690 is about 197.4739804423.

The spelling of 7700690 in words is "seven million, seven hundred thousand, six hundred ninety".