72454079 has 2 divisors, whose sum is σ = 72454080. Its totient is φ = 72454078.

The previous prime is 72454061. The next prime is 72454091. The reversal of 72454079 is 97045427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72454079 - 2¹⁶ = 72388543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72454279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36227039 + 36227040.

It is an arithmetic number, because the mean of its divisors is an integer number (36227040).

Almost surely, 2^72454079 is an apocalyptic number.

72454079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72454079 is an equidigital number, since it uses as much as digits as its factorization.

72454079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 72454079 is about 8511.9961818600. The cubic root of 72454079 is about 416.8894902757.

The spelling of 72454079 in words is "seventy-two million, four hundred fifty-four thousand, seventy-nine".