72479 has 6 divisors (see below), whose sum is σ = 79800. Its totient is φ = 65780.

The previous prime is 72469. The next prime is 72481. The reversal of 72479 is 97427.

It is not a de Polignac number, because 72479 - 2⁸ = 72223 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7 + 2⁵ + 4⁸ + 7³ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (13300).

2⁷²⁴⁷⁹ is an apocalyptic number.

72479 is a deficient number, since it is larger than the sum of its proper divisors (7321).

72479 is a wasteful number, since it uses less digits than its factorization.

72479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 610 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 72479 is about 269.2192415114. The cubic root of 72479 is about 41.6937281981.

The spelling of 72479 in words is "seventy-two thousand, four hundred seventy-nine".