7392649 has 4 divisors (see below), whose sum is σ = 8064720. Its totient is φ = 6720580.

The previous prime is 7392647. The next prime is 7392701. The reversal of 7392649 is 9462937.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9462937 = 11 ⋅860267.

It is a cyclic number.

It is not a de Polignac number, because 7392649 - 2¹ = 7392647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7392647) 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, 336019 + ... + 336040.

It is an arithmetic number, because the mean of its divisors is an integer number (2016180).

Almost surely, 2^7392649 is an apocalyptic number.

It is an amenable number.

7392649 is a deficient number, since it is larger than the sum of its proper divisors (672071).

7392649 is a wasteful number, since it uses less digits than its factorization.

7392649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672070.

The product of its digits is 81648, while the sum is 40.

The square root of 7392649 is about 2718.9426253601. The cubic root of 7392649 is about 194.8049682713.

The spelling of 7392649 in words is "seven million, three hundred ninety-two thousand, six hundred forty-nine".