72465433 has 4 divisors (see below), whose sum is σ = 75616128. Its totient is φ = 69314740.

The previous prime is 72465413. The next prime is 72465439. The reversal of 72465433 is 33456427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72465433 - 2²¹ = 70368281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72465439) 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, 1575313 + ... + 1575358.

It is an arithmetic number, because the mean of its divisors is an integer number (18904032).

Almost surely, 2^72465433 is an apocalyptic number.

It is an amenable number.

72465433 is a deficient number, since it is larger than the sum of its proper divisors (3150695).

72465433 is a wasteful number, since it uses less digits than its factorization.

72465433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150694.

The product of its digits is 60480, while the sum is 34.

The square root of 72465433 is about 8512.6630968223. The cubic root of 72465433 is about 416.9112655210.

The spelling of 72465433 in words is "seventy-two million, four hundred sixty-five thousand, four hundred thirty-three".