749642 has 16 divisors (see below), whose sum is σ = 1181952. Its totient is φ = 356160.

The previous prime is 749641. The next prime is 749653. The reversal of 749642 is 246947.

It is a junction number, because it is equal to n+sod(n) for n = 749599 and 749608.

It is not an unprimeable number, because it can be changed into a prime (749641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6578 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (73872).

2⁷⁴⁹⁶⁴² is an apocalyptic number.

749642 is a deficient number, since it is larger than the sum of its proper divisors (432310).

749642 is a wasteful number, since it uses less digits than its factorization.

749642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its digits is 12096, while the sum is 32.

The square root of 749642 is about 865.8186877170. The cubic root of 749642 is about 90.8415711370.

The spelling of 749642 in words is "seven hundred forty-nine thousand, six hundred forty-two".