720759465 has 40 divisors (see below), whose sum is σ = 1298863368. Its totient is φ = 382371840.

The previous prime is 720759449. The next prime is 720759497. The reversal of 720759465 is 564957027.

It can be written as a sum of positive squares in 4 ways, for example, as 126765081 + 593994384 = 11259^2 + 24372^2 .

It is not a de Polignac number, because 720759465 - 2⁴ = 720759449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 720759465.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 73555 + ... + 82775.

Almost surely, 2^720759465 is an apocalyptic number.

It is an amenable number.

720759465 is a deficient number, since it is larger than the sum of its proper divisors (578103903).

720759465 is a wasteful number, since it uses less digits than its factorization.

720759465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 720759465 is about 26846.9637948130. The cubic root of 720759465 is about 896.5959746894.

The spelling of 720759465 in words is "seven hundred twenty million, seven hundred fifty-nine thousand, four hundred sixty-five".