7654442 has 4 divisors (see below), whose sum is σ = 11481666. Its totient is φ = 3827220.

The previous prime is 7654441. The next prime is 7654457. The reversal of 7654442 is 2444567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2444567 = 31 ⋅78857.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 1985281 = 2381^2 + 1409^2 .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 7654399 and 7654408.

It is not an unprimeable number, because it can be changed into a prime (7654441) 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 as a sum of consecutive naturals, namely, 1913609 + ... + 1913612.

Almost surely, 2^7654442 is an apocalyptic number.

7654442 is a deficient number, since it is larger than the sum of its proper divisors (3827224).

7654442 is a wasteful number, since it uses less digits than its factorization.

7654442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827223.

The product of its digits is 26880, while the sum is 32.

The square root of 7654442 is about 2766.6662248996. Note that the first 3 decimals coincide. The cubic root of 7654442 is about 197.0778635235.

The spelling of 7654442 in words is "seven million, six hundred fifty-four thousand, four hundred forty-two".