7699970 has 8 divisors (see below), whose sum is σ = 13859964. Its totient is φ = 3079984.

The previous prime is 7699961. The next prime is 7699973. The reversal of 7699970 is 799967.

It can be written as a sum of positive squares in 2 ways, for example, as 7656289 + 43681 = 2767^2 + 209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7699973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384989 + ... + 385008.

Almost surely, 2^7699970 is an apocalyptic number.

7699970 is a deficient number, since it is larger than the sum of its proper divisors (6159994).

7699970 is a wasteful number, since it uses less digits than its factorization.

7699970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770004.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 7699970 is about 2774.8819794723. The cubic root of 7699970 is about 197.4678257688.

The spelling of 7699970 in words is "seven million, six hundred ninety-nine thousand, nine hundred seventy".