739889979 has 4 divisors (see below), whose sum is σ = 986519976. Its totient is φ = 493259984.

The previous prime is 739889951. The next prime is 739890007. The reversal of 739889979 is 979988937.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (739889951) and next prime (739890007).

It is a cyclic number.

It is not a de Polignac number, because 739889979 - 2¹¹ = 739887931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (739889939) 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, 123314994 + ... + 123314999.

It is an arithmetic number, because the mean of its divisors is an integer number (246629994).

Almost surely, 2^739889979 is an apocalyptic number.

739889979 is a deficient number, since it is larger than the sum of its proper divisors (246629997).

739889979 is a wasteful number, since it uses less digits than its factorization.

739889979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246629996.

The product of its digits is 61725888, while the sum is 69.

The square root of 739889979 is about 27200.9187161022. The cubic root of 739889979 is about 904.4593410990.

The spelling of 739889979 in words is "seven hundred thirty-nine million, eight hundred eighty-nine thousand, nine hundred seventy-nine".