7454428081 has 8 divisors (see below), whose sum is σ = 7510184640. Its totient is φ = 7398702192.

The previous prime is 7454428019. The next prime is 7454428123. The reversal of 7454428081 is 1808244547.

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

It is a cyclic number.

It is not a de Polignac number, because 7454428081 - 2⁹ = 7454427569 is a prime.

It is a super-2 number, since 2×7454428081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7454428001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769836 + ... + 779458.

It is an arithmetic number, because the mean of its divisors is an integer number (938773080).

Almost surely, 2^7454428081 is an apocalyptic number.

It is an amenable number.

7454428081 is a deficient number, since it is larger than the sum of its proper divisors (55756559).

7454428081 is a wasteful number, since it uses less digits than its factorization.

7454428081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15335.

The product of its (nonzero) digits is 286720, while the sum is 43.

The square root of 7454428081 is about 86339.0298822033. The cubic root of 7454428081 is about 1953.4611404342.

The spelling of 7454428081 in words is "seven billion, four hundred fifty-four million, four hundred twenty-eight thousand, eighty-one".