7435642 has 4 divisors (see below), whose sum is σ = 11153466. Its totient is φ = 3717820.

The previous prime is 7435639. The next prime is 7435657. The reversal of 7435642 is 2465347.

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., 7134241 + 301401 = 2671^2 + 549^2 .

It is a super-3 number, since 3×7435642³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1858909 + ... + 1858912.

Almost surely, 2^7435642 is an apocalyptic number.

7435642 is a deficient number, since it is larger than the sum of its proper divisors (3717824).

7435642 is a wasteful number, since it uses less digits than its factorization.

7435642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717823.

The product of its digits is 20160, while the sum is 31.

The square root of 7435642 is about 2726.8373622202. The cubic root of 7435642 is about 195.1818772087.

The spelling of 7435642 in words is "seven million, four hundred thirty-five thousand, six hundred forty-two".