72374269 has 4 divisors (see below), whose sum is σ = 78953760. Its totient is φ = 65794780.

The previous prime is 72374209. The next prime is 72374273. The reversal of 72374269 is 96247327.

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 72374269 - 2¹¹ = 72372221 is a prime.

It is a super-2 number, since 2×72374269² = 10476069626568722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72374209) 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, 3289729 + ... + 3289750.

It is an arithmetic number, because the mean of its divisors is an integer number (19738440).

Almost surely, 2^72374269 is an apocalyptic number.

It is an amenable number.

72374269 is a deficient number, since it is larger than the sum of its proper divisors (6579491).

72374269 is a wasteful number, since it uses less digits than its factorization.

72374269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579490.

The product of its digits is 127008, while the sum is 40.

The square root of 72374269 is about 8507.3068006273. The cubic root of 72374269 is about 416.7363625991.

The spelling of 72374269 in words is "seventy-two million, three hundred seventy-four thousand, two hundred sixty-nine".