7900454 has 32 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 3572800.

The previous prime is 7900421. The next prime is 7900457. The reversal of 7900454 is 4540097.

It is a super-2 number, since 2×7900454² = 124834346812232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111239 + ... + 111309.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^7900454 is an apocalyptic number.

7900454 is a deficient number, since it is larger than the sum of its proper divisors (5163226).

7900454 is a wasteful number, since it uses less digits than its factorization.

7900454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7900454 is about 2810.7746263263. The cubic root of 7900454 is about 199.1669852491.

The spelling of 7900454 in words is "seven million, nine hundred thousand, four hundred fifty-four".