267240473 has 4 divisors (see below), whose sum is σ = 278859648. Its totient is φ = 255621300.

The previous prime is 267240461. The next prime is 267240487. The reversal of 267240473 is 374042762.

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, and also an emirpimes, since its reverse is a distinct semiprime: 374042762 = 2 ⋅187021381.

It is a cyclic number.

It is not a de Polignac number, because 267240473 - 2⁶ = 267240409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (267240403) 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, 5809553 + ... + 5809598.

It is an arithmetic number, because the mean of its divisors is an integer number (69714912).

Almost surely, 2^267240473 is an apocalyptic number.

267240473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

267240473 is a deficient number, since it is larger than the sum of its proper divisors (11619175).

267240473 is a wasteful number, since it uses less digits than its factorization.

267240473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11619174.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 267240473 is about 16347.4913365935. The cubic root of 267240473 is about 644.1209289323.

The spelling of 267240473 in words is "two hundred sixty-seven million, two hundred forty thousand, four hundred seventy-three".