72762473 has 4 divisors (see below), whose sum is σ = 83157120. Its totient is φ = 62367828.

The previous prime is 72762467. The next prime is 72762527. The reversal of 72762473 is 37426727.

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 72762473 - 2¹² = 72758377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72762373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5197313 + ... + 5197326.

It is an arithmetic number, because the mean of its divisors is an integer number (20789280).

Almost surely, 2^72762473 is an apocalyptic number.

It is an amenable number.

72762473 is a deficient number, since it is larger than the sum of its proper divisors (10394647).

72762473 is a wasteful number, since it uses less digits than its factorization.

72762473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394646.

The product of its digits is 98784, while the sum is 38.

The square root of 72762473 is about 8530.0922034876. The cubic root of 72762473 is about 417.4801367437.

The spelling of 72762473 in words is "seventy-two million, seven hundred sixty-two thousand, four hundred seventy-three".