739965997 has 8 divisors (see below), whose sum is σ = 760401432. Its totient is φ = 719553600.

The previous prime is 739965977. The next prime is 739966067. The reversal of 739965997 is 799569937.

It can be written as a sum of positive squares in 4 ways, for example, as 381772521 + 358193476 = 19539^2 + 18926^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 739965997 - 2⁷ = 739965869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (739965917) 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, 74547 + ... + 83887.

It is an arithmetic number, because the mean of its divisors is an integer number (95050179).

Almost surely, 2^739965997 is an apocalyptic number.

It is an amenable number.

739965997 is a deficient number, since it is larger than the sum of its proper divisors (20435435).

739965997 is a wasteful number, since it uses less digits than its factorization.

739965997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11519.

The product of its digits is 28934010, while the sum is 64.

The square root of 739965997 is about 27202.3160227213. The cubic root of 739965997 is about 904.4903154500.

The spelling of 739965997 in words is "seven hundred thirty-nine million, nine hundred sixty-five thousand, nine hundred ninety-seven".