72481494 has 16 divisors (see below), whose sum is σ = 146022768. Its totient is φ = 23983872.

The previous prime is 72481463. The next prime is 72481499. The reversal of 72481494 is 49418427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72481499) 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, 43267 + ... + 44910.

It is an arithmetic number, because the mean of its divisors is an integer number (9126423).

Almost surely, 2^72481494 is an apocalyptic number.

72481494 is an abundant number, since it is smaller than the sum of its proper divisors (73541274).

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

72481494 is a wasteful number, since it uses less digits than its factorization.

72481494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88319.

The product of its digits is 64512, while the sum is 39.

The square root of 72481494 is about 8513.6064038690. The cubic root of 72481494 is about 416.9420641926.

The spelling of 72481494 in words is "seventy-two million, four hundred eighty-one thousand, four hundred ninety-four".