736642465 has 8 divisors (see below), whose sum is σ = 951968808. Its totient is φ = 543982080.

The previous prime is 736642451. The next prime is 736642469. The reversal of 736642465 is 564246637.

It can be written as a sum of positive squares in 4 ways, for example, as 133841761 + 602800704 = 11569^2 + 24552^2 .

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

It is not a de Polignac number, because 736642465 - 2¹³ = 736634273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736642469) 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, 5666416 + ... + 5666545.

It is an arithmetic number, because the mean of its divisors is an integer number (118996101).

Almost surely, 2^736642465 is an apocalyptic number.

It is an amenable number.

736642465 is a deficient number, since it is larger than the sum of its proper divisors (215326343).

736642465 is a wasteful number, since it uses less digits than its factorization.

736642465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11332979.

The product of its digits is 725760, while the sum is 43.

The square root of 736642465 is about 27141.1581366750. The cubic root of 736642465 is about 903.1341205322.

The spelling of 736642465 in words is "seven hundred thirty-six million, six hundred forty-two thousand, four hundred sixty-five".