7690513 has 4 divisors (see below), whose sum is σ = 7708708. Its totient is φ = 7672320.

The previous prime is 7690489. The next prime is 7690519. The reversal of 7690513 is 3150967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 5992704 = 1303^2 + 2448^2 .

It is a cyclic number.

It is not a de Polignac number, because 7690513 - 2¹³ = 7682321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7690519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8448 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (1927177).

Almost surely, 2^7690513 is an apocalyptic number.

It is an amenable number.

7690513 is a deficient number, since it is larger than the sum of its proper divisors (18195).

7690513 is a wasteful number, since it uses less digits than its factorization.

7690513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18194.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 7690513 is about 2773.1774194956. The cubic root of 7690513 is about 197.3869502036.

The spelling of 7690513 in words is "seven million, six hundred ninety thousand, five hundred thirteen".