72050465 has 4 divisors (see below), whose sum is σ = 86460564. Its totient is φ = 57640368.

The previous prime is 72050443. The next prime is 72050491. The reversal of 72050465 is 56405027.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16711744 + 55338721 = 4088^2 + 7439^2 .

It is a cyclic number.

It is not a de Polignac number, because 72050465 - 2¹⁰ = 72049441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7205042 + ... + 7205051.

It is an arithmetic number, because the mean of its divisors is an integer number (21615141).

Almost surely, 2^72050465 is an apocalyptic number.

It is an amenable number.

72050465 is a deficient number, since it is larger than the sum of its proper divisors (14410099).

72050465 is a wasteful number, since it uses less digits than its factorization.

72050465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410098.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 72050465 is about 8488.2545319989. The cubic root of 72050465 is about 416.1139376796.

The spelling of 72050465 in words is "seventy-two million, fifty thousand, four hundred sixty-five".