7974420454 has 32 divisors (see below), whose sum is σ = 16060375296. Its totient is φ = 2867922720.

The previous prime is 7974420431. The next prime is 7974420463. The reversal of 7974420454 is 4540244797.

It is a super-2 number, since 2×7974420454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989612 + ... + 1993615.

It is an arithmetic number, because the mean of its divisors is an integer number (501886728).

Almost surely, 2^7974420454 is an apocalyptic number.

7974420454 is an abundant number, since it is smaller than the sum of its proper divisors (8085954842).

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

7974420454 is a wasteful number, since it uses less digits than its factorization.

7974420454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983260.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 7974420454 is about 89299.6106038543. The cubic root of 7974420454 is about 1997.8660952016.

The spelling of 7974420454 in words is "seven billion, nine hundred seventy-four million, four hundred twenty thousand, four hundred fifty-four".