738390534 has 16 divisors (see below), whose sum is σ = 1687749888. Its totient is φ = 210968712.

The previous prime is 738390533. The next prime is 738390553. The reversal of 738390534 is 435093837.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 17580727 = 738390534 / (7 + 3 + 8 + 3 + 9 + 0 + 5 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738390533) by changing a digit.

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, 8790322 + ... + 8790405.

It is an arithmetic number, because the mean of its divisors is an integer number (105484368).

Almost surely, 2^738390534 is an apocalyptic number.

738390534 is an abundant number, since it is smaller than the sum of its proper divisors (949359354).

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

738390534 is a wasteful number, since it uses less digits than its factorization.

738390534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580739.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 738390534 is about 27173.3423413462. The cubic root of 738390534 is about 903.8479419956.

The spelling of 738390534 in words is "seven hundred thirty-eight million, three hundred ninety thousand, five hundred thirty-four".