742679 has 12 divisors (see below), whose sum is σ = 910224. Its totient is φ = 591552.

The previous prime is 742673. The next prime is 742681. The reversal of 742679 is 976247.

It is not a de Polignac number, because 742679 - 2⁴ = 742663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742673) 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 11 ways as a sum of consecutive naturals, for example, 9362 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (75852).

2⁷⁴²⁶⁷⁹ is an apocalyptic number.

742679 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

742679 is a deficient number, since it is larger than the sum of its proper divisors (167545).

742679 is an equidigital number, since it uses as much as digits as its factorization.

742679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 103 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 742679 is about 861.7882570562. The cubic root of 742679 is about 90.5594371617.

The spelling of 742679 in words is "seven hundred forty-two thousand, six hundred seventy-nine".