739920 has 40 divisors (see below), whose sum is σ = 2294496. Its totient is φ = 197248.

The previous prime is 739909. The next prime is 739931. The reversal of 739920 is 29937.

It is an interprime number because it is at equal distance from previous prime (739909) and next prime (739931).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 739920.

It is an unprimeable number.

739920 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302 + ... + 1781.

2⁷³⁹⁹²⁰ is an apocalyptic number.

It is an amenable number.

739920 is an abundant number, since it is smaller than the sum of its proper divisors (1554576).

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

739920 is a wasteful number, since it uses less digits than its factorization.

739920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 739920 is about 860.1860263920. The cubic root of 739920 is about 90.4471573732.

The spelling of 739920 in words is "seven hundred thirty-nine thousand, nine hundred twenty".