742731256 has 8 divisors (see below), whose sum is σ = 1392621120. Its totient is φ = 371365624.

The previous prime is 742731239. The next prime is 742731257. The reversal of 742731256 is 652137247.

It is a happy number.

742731256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742731257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46420696 + ... + 46420711.

It is an arithmetic number, because the mean of its divisors is an integer number (174077640).

Almost surely, 2^742731256 is an apocalyptic number.

It is an amenable number.

742731256 is a deficient number, since it is larger than the sum of its proper divisors (649889864).

742731256 is a wasteful number, since it uses less digits than its factorization.

742731256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92841413 (or 92841409 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 742731256 is about 27253.0962644614. The cubic root of 742731256 is about 905.6156107751.

It can be divided in two parts, 7427 and 31256, that added together give a palindrome (38683).

The spelling of 742731256 in words is "seven hundred forty-two million, seven hundred thirty-one thousand, two hundred fifty-six".