72494134 has 8 divisors (see below), whose sum is σ = 110364408. Its totient is φ = 35706000.

The previous prime is 72494131. The next prime is 72494161. The reversal of 72494134 is 43149427.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72494134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72494131) 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, 270367 + ... + 270634.

It is an arithmetic number, because the mean of its divisors is an integer number (13795551).

Almost surely, 2^72494134 is an apocalyptic number.

72494134 is a deficient number, since it is larger than the sum of its proper divisors (37870274).

72494134 is a wasteful number, since it uses less digits than its factorization.

72494134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541070.

The product of its digits is 24192, while the sum is 34.

The square root of 72494134 is about 8514.3487126145. The cubic root of 72494134 is about 416.9662995345.

The spelling of 72494134 in words is "seventy-two million, four hundred ninety-four thousand, one hundred thirty-four".