7400402 has 8 divisors (see below), whose sum is σ = 11113200. Its totient is φ = 3696004.

The previous prime is 7400399. The next prime is 7400453. The reversal of 7400402 is 2040047.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^7400402 is an apocalyptic number.

7400402 is a deficient number, since it is larger than the sum of its proper divisors (3712798).

7400402 is a wasteful number, since it uses less digits than its factorization.

7400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 7400402 is about 2720.3679898131. The cubic root of 7400402 is about 194.8730446918.

Adding to 7400402 its reverse (2040047), we get a palindrome (9440449).

The spelling of 7400402 in words is "seven million, four hundred thousand, four hundred two".