7591642 has 8 divisors (see below), whose sum is σ = 11665332. Its totient is φ = 3703200.

The previous prime is 7591637. The next prime is 7591643. The reversal of 7591642 is 2461957.

It can be written as a sum of positive squares in 2 ways, for example, as 6056521 + 1535121 = 2461^2 + 1239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7591598 and 7591607.

It is not an unprimeable number, because it can be changed into a prime (7591643) 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, 46209 + ... + 46372.

Almost surely, 2^7591642 is an apocalyptic number.

7591642 is a deficient number, since it is larger than the sum of its proper divisors (4073690).

7591642 is a wasteful number, since it uses less digits than its factorization.

7591642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92624.

The product of its digits is 15120, while the sum is 34.

The square root of 7591642 is about 2755.2934507961. The cubic root of 7591642 is about 196.5374151529.

It can be divided in two parts, 759 and 1642, that added together give a 4-th power (2401 = 7⁴).

The spelling of 7591642 in words is "seven million, five hundred ninety-one thousand, six hundred forty-two".