736842 has 16 divisors (see below), whose sum is σ = 1482912. Its totient is φ = 244080.

The previous prime is 736823. The next prime is 736843. The reversal of 736842 is 248637.

It is a super-2 number, since 2×736842² = 1085872265928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (736843) 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 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 1632.

It is an arithmetic number, because the mean of its divisors is an integer number (92682).

2⁷³⁶⁸⁴² is an apocalyptic number.

736842 is an abundant number, since it is smaller than the sum of its proper divisors (746070).

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

736842 is a wasteful number, since it uses less digits than its factorization.

736842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773.

The product of its digits is 8064, while the sum is 30.

The square root of 736842 is about 858.3950139650. The cubic root of 736842 is about 90.3215657418.

The spelling of 736842 in words is "seven hundred thirty-six thousand, eight hundred forty-two".