7400002 has 4 divisors (see below), whose sum is σ = 11100006. Its totient is φ = 3700000.

The previous prime is 7399993. The next prime is 7400011. The reversal of 7400002 is 2000047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000047 = 7 ⋅285721.

It is an interprime number because it is at equal distance from previous prime (7399993) and next prime (7400011).

It can be written as a sum of positive squares in only one way, i.e., 5294601 + 2105401 = 2301^2 + 1451^2 .

It is a Smith number, since the sum of its digits (13) 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, 1849999 + ... + 1850002.

Almost surely, 2^7400002 is an apocalyptic number.

7400002 is a deficient number, since it is larger than the sum of its proper divisors (3700004).

7400002 is a wasteful number, since it uses less digits than its factorization.

7400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700003.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 7400002 is about 2720.2944693544. The cubic root of 7400002 is about 194.8695335933.

Adding to 7400002 its reverse (2000047), we get a palindrome (9400049).

The spelling of 7400002 in words is "seven million, four hundred thousand, two".