72469044 has 36 divisors (see below), whose sum is σ = 191152416. Its totient is φ = 23105808.

The previous prime is 72469039. The next prime is 72469063. The reversal of 72469044 is 44096427.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 42934 + ... + 44589.

Almost surely, 2^72469044 is an apocalyptic number.

It is an amenable number.

72469044 is an abundant number, since it is smaller than the sum of its proper divisors (118683372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72469044 is a wasteful number, since it uses less digits than its factorization.

72469044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87556 (or 87551 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 72469044 is about 8512.8751899696. The cubic root of 72469044 is about 416.9181903932.

It can be divided in two parts, 7246 and 9044, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 72469044 in words is "seventy-two million, four hundred sixty-nine thousand, forty-four".