7546642 has 4 divisors (see below), whose sum is σ = 11319966. Its totient is φ = 3773320.

The previous prime is 7546639. The next prime is 7546673. The reversal of 7546642 is 2466457.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 44521 = 2739^2 + 211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7546598 and 7546607.

It is an unprimeable number.

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, 1886659 + ... + 1886662.

Almost surely, 2^7546642 is an apocalyptic number.

7546642 is a deficient number, since it is larger than the sum of its proper divisors (3773324).

7546642 is a wasteful number, since it uses less digits than its factorization.

7546642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773323.

The product of its digits is 40320, while the sum is 34.

The square root of 7546642 is about 2747.1152141838. The cubic root of 7546642 is about 196.1483154781.

It can be divided in two parts, 754 and 6642, that added together give a square (7396 = 86²).

The spelling of 7546642 in words is "seven million, five hundred forty-six thousand, six hundred forty-two".