72469149 has 16 divisors (see below), whose sum is σ = 98488320. Its totient is φ = 47389680.

The previous prime is 72469129. The next prime is 72469151. The reversal of 72469149 is 94196427.

It is not a de Polignac number, because 72469149 - 2¹⁹ = 71944861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72469149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72469129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38664 + ... + 40494.

It is an arithmetic number, because the mean of its divisors is an integer number (6155520).

Almost surely, 2^72469149 is an apocalyptic number.

72469149 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

72469149 is a deficient number, since it is larger than the sum of its proper divisors (26019171).

72469149 is a wasteful number, since it uses less digits than its factorization.

72469149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its digits is 108864, while the sum is 42.

The square root of 72469149 is about 8512.8813570964. The cubic root of 72469149 is about 416.9183917499.

The spelling of 72469149 in words is "seventy-two million, four hundred sixty-nine thousand, one hundred forty-nine".