736642 has 8 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 367044.

The previous prime is 736639. The next prime is 736657. The reversal of 736642 is 246637.

736642 is nontrivially palindromic in base 9.

736642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 7⁵ + 3³ + 6⁶ + 6⁷ + 4⁹ + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 736642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459 + ... + 1297.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

2⁷³⁶⁶⁴² is an apocalyptic number.

736642 is a deficient number, since it is larger than the sum of its proper divisors (372158).

736642 is a wasteful number, since it uses less digits than its factorization.

736642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its digits is 6048, while the sum is 28.

The square root of 736642 is about 858.2785095760. The cubic root of 736642 is about 90.3133930500.

It can be divided in two parts, 736 and 642, that added together give a triangular number (1378 = T₅₂).

The spelling of 736642 in words is "seven hundred thirty-six thousand, six hundred forty-two".