7031649 has 4 divisors (see below), whose sum is σ = 9375536. Its totient is φ = 4687764.

The previous prime is 7031641. The next prime is 7031671. The reversal of 7031649 is 9461307.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7031649 - 2³ = 7031641 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7031641) 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, 1171939 + ... + 1171944.

It is an arithmetic number, because the mean of its divisors is an integer number (2343884).

Almost surely, 2^7031649 is an apocalyptic number.

It is an amenable number.

7031649 is a deficient number, since it is larger than the sum of its proper divisors (2343887).

7031649 is a wasteful number, since it uses less digits than its factorization.

7031649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343886.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 7031649 is about 2651.7256645438. The cubic root of 7031649 is about 191.5809818220.

The spelling of 7031649 in words is "seven million, thirty-one thousand, six hundred forty-nine".