7402855 has 4 divisors (see below), whose sum is σ = 8883432. Its totient is φ = 5922280.

The previous prime is 7402841. The next prime is 7402867. The reversal of 7402855 is 5582047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5582047 = 1193 ⋅4679.

It is not a de Polignac number, because 7402855 - 2¹¹ = 7400807 is a prime.

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 a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740281 + ... + 740290.

It is an arithmetic number, because the mean of its divisors is an integer number (2220858).

Almost surely, 2^7402855 is an apocalyptic number.

7402855 is a deficient number, since it is larger than the sum of its proper divisors (1480577).

7402855 is a wasteful number, since it uses less digits than its factorization.

7402855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480576.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 7402855 is about 2720.8188105789. The cubic root of 7402855 is about 194.8945737372.

The spelling of 7402855 in words is "seven million, four hundred two thousand, eight hundred fifty-five".