7954418 has 4 divisors (see below), whose sum is σ = 11931630. Its totient is φ = 3977208.

The previous prime is 7954393. The next prime is 7954423. The reversal of 7954418 is 8144597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8144597 = 19 ⋅428663.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 734449 = 2687^2 + 857^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988603 + ... + 1988606.

Almost surely, 2^7954418 is an apocalyptic number.

7954418 is a deficient number, since it is larger than the sum of its proper divisors (3977212).

7954418 is a wasteful number, since it uses less digits than its factorization.

7954418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977211.

The product of its digits is 40320, while the sum is 38.

The square root of 7954418 is about 2820.3577787224. The cubic root of 7954418 is about 199.6194262775.

It can be divided in two parts, 795441 and 8, that multiplied together give a triangular number (6363528 = T₃₅₆₇).

The spelling of 7954418 in words is "seven million, nine hundred fifty-four thousand, four hundred eighteen".