739427238 has 64 divisors (see below), whose sum is σ = 1822026240. Its totient is φ = 220384800.

The previous prime is 739427201. The next prime is 739427261. The reversal of 739427238 is 832724937.

739427238 is a `hidden beast` number, since 7 + 394 + 27 + 238 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 739427193 and 739427202.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 26031 + ... + 46437.

It is an arithmetic number, because the mean of its divisors is an integer number (28469160).

Almost surely, 2^739427238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 739427238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911013120).

739427238 is an abundant number, since it is smaller than the sum of its proper divisors (1082599002).

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

739427238 is a wasteful number, since it uses less digits than its factorization.

739427238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490 (or 20484 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 739427238 is about 27192.4114046548. The cubic root of 739427238 is about 904.2707465267.

The spelling of 739427238 in words is "seven hundred thirty-nine million, four hundred twenty-seven thousand, two hundred thirty-eight".