742827746 has 16 divisors (see below), whose sum is σ = 1132286904. Its totient is φ = 365443584.

The previous prime is 742827719. The next prime is 742827823. The reversal of 742827746 is 647728247.

It can be written as a sum of positive squares in 4 ways, for example, as 717436225 + 25391521 = 26785^2 + 5039^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 742827746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22496 + ... + 44628.

Almost surely, 2^742827746 is an apocalyptic number.

742827746 is a deficient number, since it is larger than the sum of its proper divisors (389459158).

742827746 is a wasteful number, since it uses less digits than its factorization.

742827746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22405.

The product of its digits is 1053696, while the sum is 47.

The square root of 742827746 is about 27254.8664645417. The cubic root of 742827746 is about 905.6548259761.

It can be divided in two parts, 74282 and 7746, that added together give a palindrome (82028).

The spelling of 742827746 in words is "seven hundred forty-two million, eight hundred twenty-seven thousand, seven hundred forty-six".