738478128 has 40 divisors (see below), whose sum is σ = 1913792688. Its totient is φ = 245377792.

The previous prime is 738478099. The next prime is 738478129. The reversal of 738478128 is 821874837.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (738478129) 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, 9051 + ... + 39482.

Almost surely, 2^738478128 is an apocalyptic number.

It is an amenable number.

738478128 is an abundant number, since it is smaller than the sum of its proper divisors (1175314560).

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

738478128 is a wasteful number, since it uses less digits than its factorization.

738478128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48861 (or 48855 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 738478128 is about 27174.9540569989. The cubic root of 738478128 is about 903.8836812251.

The spelling of 738478128 in words is "seven hundred thirty-eight million, four hundred seventy-eight thousand, one hundred twenty-eight".