738340520 has 32 divisors (see below), whose sum is σ = 1664084520. Its totient is φ = 294835200.

The previous prime is 738340517. The next prime is 738340541. The reversal of 738340520 is 25043837.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 736905316 + 1435204 = 27146^2 + 1198^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8684 + ... + 39396.

Almost surely, 2^738340520 is an apocalyptic number.

It is an amenable number.

738340520 is an abundant number, since it is smaller than the sum of its proper divisors (925744000).

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

738340520 is a wasteful number, since it uses less digits than its factorization.

738340520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31325 (or 31321 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 738340520 is about 27172.4220488347. The cubic root of 738340520 is about 903.8275345149.

The spelling of 738340520 in words is "seven hundred thirty-eight million, three hundred forty thousand, five hundred twenty".