7402198 has 8 divisors (see below), whose sum is σ = 11211408. Its totient is φ = 3665064.

The previous prime is 7402169. The next prime is 7402201. The reversal of 7402198 is 8912047.

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

It is a congruent number.

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, 17761 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (1401426).

Almost surely, 2^7402198 is an apocalyptic number.

7402198 is a deficient number, since it is larger than the sum of its proper divisors (3809210).

7402198 is a wasteful number, since it uses less digits than its factorization.

7402198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36038.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7402198 is about 2720.6980721866. The cubic root of 7402198 is about 194.8888079652. Note that the first 4 decimals are identical.

The spelling of 7402198 in words is "seven million, four hundred two thousand, one hundred ninety-eight".