72759403 has 2 divisors, whose sum is σ = 72759404. Its totient is φ = 72759402.

The previous prime is 72759391. The next prime is 72759433. The reversal of 72759403 is 30495727.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72759403 is a prime.

It is not a weakly prime, because it can be changed into another prime (72759433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36379701 + 36379702.

It is an arithmetic number, because the mean of its divisors is an integer number (36379702).

Almost surely, 2^72759403 is an apocalyptic number.

72759403 is a deficient number, since it is larger than the sum of its proper divisors (1).

72759403 is an equidigital number, since it uses as much as digits as its factorization.

72759403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 72759403 is about 8529.9122504279. The cubic root of 72759403 is about 417.4742652095.

The spelling of 72759403 in words is "seventy-two million, seven hundred fifty-nine thousand, four hundred three".