738542731 has 4 divisors (see below), whose sum is σ = 743073832. Its totient is φ = 734011632.

The previous prime is 738542687. The next prime is 738542789. The reversal of 738542731 is 137245837.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 738542731 - 2⁹ = 738542219 is a prime.

It is a super-2 number, since 2×738542731² = 1090890731025876722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738542131) 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 3 ways as a sum of consecutive naturals, for example, 2265306 + ... + 2265631.

It is an arithmetic number, because the mean of its divisors is an integer number (185768458).

Almost surely, 2^738542731 is an apocalyptic number.

738542731 is a deficient number, since it is larger than the sum of its proper divisors (4531101).

738542731 is a wasteful number, since it uses less digits than its factorization.

738542731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531100.

The product of its digits is 141120, while the sum is 40.

The square root of 738542731 is about 27176.1426806675. The cubic root of 738542731 is about 903.9100380854.

The spelling of 738542731 in words is "seven hundred thirty-eight million, five hundred forty-two thousand, seven hundred thirty-one".