72000479 has 2 divisors, whose sum is σ = 72000480. Its totient is φ = 72000478.

The previous prime is 72000449. The next prime is 72000497. The reversal of 72000479 is 97400027.

Together with next prime (72000497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72000479 - 2¹² = 71996383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72000449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000239 + 36000240.

It is an arithmetic number, because the mean of its divisors is an integer number (36000240).

Almost surely, 2^72000479 is an apocalyptic number.

72000479 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000479 is an equidigital number, since it uses as much as digits as its factorization.

72000479 is an odious number, because the sum of its binary digits is odd.

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

The square root of 72000479 is about 8485.3095995373. The cubic root of 72000479 is about 416.0176871640.

The spelling of 72000479 in words is "seventy-two million, four hundred seventy-nine", and thus it is an aban number.