748522478 has 16 divisors (see below), whose sum is σ = 1296905904. Its totient is φ = 320223360.

The previous prime is 748522471. The next prime is 748522483. The reversal of 748522478 is 874225847.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748522471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000325 + ... + 1001072.

It is an arithmetic number, because the mean of its divisors is an integer number (81056619).

Almost surely, 2^748522478 is an apocalyptic number.

748522478 is a deficient number, since it is larger than the sum of its proper divisors (548383426).

748522478 is a wasteful number, since it uses less digits than its factorization.

748522478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001427.

The product of its digits is 1003520, while the sum is 47.

The square root of 748522478 is about 27359.1388387866. The cubic root of 748522478 is about 907.9632740487.

The spelling of 748522478 in words is "seven hundred forty-eight million, five hundred twenty-two thousand, four hundred seventy-eight".