7421453774 has 16 divisors (see below), whose sum is σ = 12775288416. Its totient is φ = 3167424000.

The previous prime is 7421453759. The next prime is 7421453813. The reversal of 7421453774 is 4773541247.

It is a super-2 number, since 2×7421453774² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096427 + ... + 1103174.

It is an arithmetic number, because the mean of its divisors is an integer number (798455526).

Almost surely, 2^7421453774 is an apocalyptic number.

7421453774 is a deficient number, since it is larger than the sum of its proper divisors (5353834642).

7421453774 is a wasteful number, since it uses less digits than its factorization.

7421453774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199851.

The product of its digits is 658560, while the sum is 44.

The square root of 7421453774 is about 86147.8599502042. The cubic root of 7421453774 is about 1950.5765355519.

The spelling of 7421453774 in words is "seven billion, four hundred twenty-one million, four hundred fifty-three thousand, seven hundred seventy-four".