7190649 has 6 divisors (see below), whose sum is σ = 10386506. Its totient is φ = 4793760.

The previous prime is 7190647. The next prime is 7190657. The reversal of 7190649 is 9460917.

7190649 is a `hidden beast` number, since 7 + 1 + 9 + 0 + 649 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 1065024 = 2475^2 + 1032^2 .

It is not a de Polignac number, because 7190649 - 2¹ = 7190647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7190647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399472 + ... + 399489.

Almost surely, 2^7190649 is an apocalyptic number.

It is an amenable number.

7190649 is a deficient number, since it is larger than the sum of its proper divisors (3195857).

7190649 is a wasteful number, since it uses less digits than its factorization.

7190649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798967 (or 798964 counting only the distinct ones).

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

The square root of 7190649 is about 2681.5385509069. The cubic root of 7190649 is about 193.0142454160.

Subtracting from 7190649 its product of nonzero digits (13608), we obtain a square (7177041 = 2679²).

The spelling of 7190649 in words is "seven million, one hundred ninety thousand, six hundred forty-nine".