72542463 has 8 divisors (see below), whose sum is σ = 110540928. Its totient is φ = 41452824.

The previous prime is 72542413. The next prime is 72542473. The reversal of 72542463 is 36424527.

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

It is not a de Polignac number, because 72542463 - 2¹³ = 72534271 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72542413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727181 + ... + 1727222.

It is an arithmetic number, because the mean of its divisors is an integer number (13817616).

Almost surely, 2^72542463 is an apocalyptic number.

72542463 is a deficient number, since it is larger than the sum of its proper divisors (37998465).

72542463 is a wasteful number, since it uses less digits than its factorization.

72542463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454413.

The product of its digits is 40320, while the sum is 33.

The square root of 72542463 is about 8517.1863311777. The cubic root of 72542463 is about 417.0589373188.

The spelling of 72542463 in words is "seventy-two million, five hundred forty-two thousand, four hundred sixty-three".