7227152478 has 64 divisors (see below), whose sum is σ = 19766584320. Its totient is φ = 1906060896.

The previous prime is 7227152473. The next prime is 7227152501. The reversal of 7227152478 is 8742517227.

7227152478 is a `hidden beast` number, since 7 + 2 + 27 + 152 + 478 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227152473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730450 + ... + 740277.

It is an arithmetic number, because the mean of its divisors is an integer number (308852880).

Almost surely, 2^7227152478 is an apocalyptic number.

7227152478 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7227152478 is an abundant number, since it is smaller than the sum of its proper divisors (12539431842).

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

7227152478 is a wasteful number, since it uses less digits than its factorization.

7227152478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470758 (or 1470752 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 7227152478 is about 85012.6606923933. The cubic root of 7227152478 is about 1933.4030788222.

The spelling of 7227152478 in words is "seven billion, two hundred twenty-seven million, one hundred fifty-two thousand, four hundred seventy-eight".