72769542 has 8 divisors (see below), whose sum is σ = 145539096. Its totient is φ = 24256512.

The previous prime is 72769531. The next prime is 72769573. The reversal of 72769542 is 24596727.

It is a sphenic number, since it is the product of 3 distinct primes.

72769542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72769494 and 72769503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064123 + ... + 6064134.

It is an arithmetic number, because the mean of its divisors is an integer number (18192387).

Almost surely, 2^72769542 is an apocalyptic number.

72769542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72769542 is a wasteful number, since it uses less digits than its factorization.

72769542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128262.

The product of its digits is 211680, while the sum is 42.

The square root of 72769542 is about 8530.5065500239. The cubic root of 72769542 is about 417.4936559448.

The spelling of 72769542 in words is "seventy-two million, seven hundred sixty-nine thousand, five hundred forty-two".