738474240 has 288 divisors, whose sum is σ = 2736147456. Its totient is φ = 166256640.

The previous prime is 738474221. The next prime is 738474263. The reversal of 738474240 is 42474837.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2230875 + ... + 2231205.

It is an arithmetic number, because the mean of its divisors is an integer number (9500512).

Almost surely, 2^738474240 is an apocalyptic number.

738474240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 738474240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368073728).

738474240 is an abundant number, since it is smaller than the sum of its proper divisors (1997673216).

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

738474240 is a wasteful number, since it uses less digits than its factorization.

738474240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 738474240 is about 27174.8825204452. The cubic root of 738474240 is about 903.8820949421.

It can be divided in two parts, 73847 and 4240, that added together give a palindrome (78087).

The spelling of 738474240 in words is "seven hundred thirty-eight million, four hundred seventy-four thousand, two hundred forty".