7214754478 has 4 divisors (see below), whose sum is σ = 10822131720. Its totient is φ = 3607377238.

The previous prime is 7214754427. The next prime is 7214754493. The reversal of 7214754478 is 8744574127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8744574127 = 43 ⋅203362189.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803688618 + ... + 1803688621.

It is an arithmetic number, because the mean of its divisors is an integer number (2705532930).

Almost surely, 2^7214754478 is an apocalyptic number.

7214754478 is a deficient number, since it is larger than the sum of its proper divisors (3607377242).

7214754478 is a wasteful number, since it uses less digits than its factorization.

7214754478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607377241.

The product of its digits is 1756160, while the sum is 49.

The square root of 7214754478 is about 84939.7108424558. The cubic root of 7214754478 is about 1932.2968777581.

The spelling of 7214754478 in words is "seven billion, two hundred fourteen million, seven hundred fifty-four thousand, four hundred seventy-eight".