72269877 has 4 divisors (see below), whose sum is σ = 96359840. Its totient is φ = 48179916.

The previous prime is 72269849. The next prime is 72269893. The reversal of 72269877 is 77896227.

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 not a de Polignac number, because 72269877 - 2¹¹ = 72267829 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72269807) 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, 12044977 + ... + 12044982.

It is an arithmetic number, because the mean of its divisors is an integer number (24089960).

Almost surely, 2^72269877 is an apocalyptic number.

It is an amenable number.

72269877 is a deficient number, since it is larger than the sum of its proper divisors (24089963).

72269877 is a wasteful number, since it uses less digits than its factorization.

72269877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089962.

The product of its digits is 592704, while the sum is 48.

The square root of 72269877 is about 8501.1691548869. The cubic root of 72269877 is about 416.5359005826.

The spelling of 72269877 in words is "seventy-two million, two hundred sixty-nine thousand, eight hundred seventy-seven".