738437842 has 4 divisors (see below), whose sum is σ = 1107656766. Its totient is φ = 369218920.

The previous prime is 738437801. The next prime is 738437849. The reversal of 738437842 is 248734837.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 599221441 + 139216401 = 24479^2 + 11799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 738437792 and 738437801.

It is not an unprimeable number, because it can be changed into a prime (738437849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184609459 + ... + 184609462.

Almost surely, 2^738437842 is an apocalyptic number.

738437842 is a deficient number, since it is larger than the sum of its proper divisors (369218924).

738437842 is a wasteful number, since it uses less digits than its factorization.

738437842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369218923.

The product of its digits is 903168, while the sum is 46.

The square root of 738437842 is about 27174.2128128857. The cubic root of 738437842 is about 903.8672444845.

The spelling of 738437842 in words is "seven hundred thirty-eight million, four hundred thirty-seven thousand, eight hundred forty-two".