72803377 has 2 divisors, whose sum is σ = 72803378. Its totient is φ = 72803376.

The previous prime is 72803371. The next prime is 72803431. The reversal of 72803377 is 77330827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 59536 = 8529^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 72803377 - 2¹⁹ = 72279089 is a prime.

It is not a weakly prime, because it can be changed into another prime (72803371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36401688 + 36401689.

It is an arithmetic number, because the mean of its divisors is an integer number (36401689).

Almost surely, 2^72803377 is an apocalyptic number.

It is an amenable number.

72803377 is a deficient number, since it is larger than the sum of its proper divisors (1).

72803377 is an equidigital number, since it uses as much as digits as its factorization.

72803377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 72803377 is about 8532.4894960381. The cubic root of 72803377 is about 417.5583520099.

The spelling of 72803377 in words is "seventy-two million, eight hundred three thousand, three hundred seventy-seven".