7690449 has 16 divisors (see below), whose sum is σ = 11400704. Its totient is φ = 4579200.

The previous prime is 7690439. The next prime is 7690457. The reversal of 7690449 is 9440967.

It is not a de Polignac number, because 7690449 - 2⁴ = 7690433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7690439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (712544).

Almost surely, 2^7690449 is an apocalyptic number.

It is an amenable number.

7690449 is a deficient number, since it is larger than the sum of its proper divisors (3710255).

7690449 is a wasteful number, since it uses less digits than its factorization.

7690449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 7690449 is about 2773.1658803613. The cubic root of 7690449 is about 197.3864026546.

It can be divided in two parts, 76 and 90449, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 7690449 in words is "seven million, six hundred ninety thousand, four hundred forty-nine".