73880377 has 2 divisors, whose sum is σ = 73880378. Its totient is φ = 73880376.

The previous prime is 73880369. The next prime is 73880423. The reversal of 73880377 is 77308837.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 4923961 = 8304^2 + 2219^2 .

It is a cyclic number.

It is not a de Polignac number, because 73880377 - 2³ = 73880369 is a prime.

It is not a weakly prime, because it can be changed into another prime (73880327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36940188 + 36940189.

It is an arithmetic number, because the mean of its divisors is an integer number (36940189).

Almost surely, 2^73880377 is an apocalyptic number.

It is an amenable number.

73880377 is a deficient number, since it is larger than the sum of its proper divisors (1).

73880377 is an equidigital number, since it uses as much as digits as its factorization.

73880377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 73880377 is about 8595.3695092183. The cubic root of 73880377 is about 419.6072992272.

The spelling of 73880377 in words is "seventy-three million, eight hundred eighty thousand, three hundred seventy-seven".