73488577 has 2 divisors, whose sum is σ = 73488578. Its totient is φ = 73488576.

The previous prime is 73488491. The next prime is 73488593. The reversal of 73488577 is 77588437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71301136 + 2187441 = 8444^2 + 1479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73488577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73488577.

It is not a weakly prime, because it can be changed into another prime (73486577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36744288 + 36744289.

It is an arithmetic number, because the mean of its divisors is an integer number (36744289).

Almost surely, 2^73488577 is an apocalyptic number.

It is an amenable number.

73488577 is a deficient number, since it is larger than the sum of its proper divisors (1).

73488577 is an equidigital number, since it uses as much as digits as its factorization.

73488577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 49.

The square root of 73488577 is about 8572.5478709658. The cubic root of 73488577 is about 418.8642349065.

The spelling of 73488577 in words is "seventy-three million, four hundred eighty-eight thousand, five hundred seventy-seven".