7690491 has 8 divisors (see below), whose sum is σ = 11393360. Its totient is φ = 5126976.

The previous prime is 7690489. The next prime is 7690519. The reversal of 7690491 is 1940967.

It is not a de Polignac number, because 7690491 - 2¹ = 7690489 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 (7690091) 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, 142390 + ... + 142443.

It is an arithmetic number, because the mean of its divisors is an integer number (1424170).

Almost surely, 2^7690491 is an apocalyptic number.

7690491 is a deficient number, since it is larger than the sum of its proper divisors (3702869).

7690491 is a wasteful number, since it uses less digits than its factorization.

7690491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284842 (or 284836 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7690491 is about 2773.1734529236. The cubic root of 7690491 is about 197.3867619840.

The spelling of 7690491 in words is "seven million, six hundred ninety thousand, four hundred ninety-one".