7040298 has 16 divisors (see below), whose sum is σ = 14821920. Its totient is φ = 2223216.

The previous prime is 7040287. The next prime is 7040321. The reversal of 7040298 is 8920407.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 30765 + ... + 30992.

It is an arithmetic number, because the mean of its divisors is an integer number (926370).

Almost surely, 2^7040298 is an apocalyptic number.

7040298 is an abundant number, since it is smaller than the sum of its proper divisors (7781622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7040298 is a wasteful number, since it uses less digits than its factorization.

7040298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61781.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7040298 is about 2653.3559881780. The cubic root of 7040298 is about 191.6594984927.

It can be divided in two parts, 70402 and 98, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 7040298 in words is "seven million, forty thousand, two hundred ninety-eight".