739979 has 4 divisors (see below), whose sum is σ = 772176. Its totient is φ = 707784.

The previous prime is 739969. The next prime is 740011. The reversal of 739979 is 979937.

739979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979937 = 7 ⋅139991.

It is a cyclic number.

It is not a de Polignac number, because 739979 - 2⁸ = 739723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (739909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16064 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (193044).

2⁷³⁹⁹⁷⁹ is an apocalyptic number.

739979 is a deficient number, since it is larger than the sum of its proper divisors (32197).

739979 is a wasteful number, since it uses less digits than its factorization.

739979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32196.

The product of its digits is 107163, while the sum is 44.

The square root of 739979 is about 860.2203206156. The cubic root of 739979 is about 90.4495613450.

The spelling of 739979 in words is "seven hundred thirty-nine thousand, nine hundred seventy-nine".