727345478 has 4 divisors (see below), whose sum is σ = 1091018220. Its totient is φ = 363672738.

The previous prime is 727345477. The next prime is 727345511. The reversal of 727345478 is 874543727.

727345478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874543727 = 211 ⋅4144757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727345477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181836368 + ... + 181836371.

It is an arithmetic number, because the mean of its divisors is an integer number (272754555).

Almost surely, 2^727345478 is an apocalyptic number.

727345478 is a deficient number, since it is larger than the sum of its proper divisors (363672742).

727345478 is a wasteful number, since it uses less digits than its factorization.

727345478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363672741.

The product of its digits is 1317120, while the sum is 47.

The square root of 727345478 is about 26969.3432993835. The cubic root of 727345478 is about 899.3186110003.

The spelling of 727345478 in words is "seven hundred twenty-seven million, three hundred forty-five thousand, four hundred seventy-eight".