73501487 has 2 divisors, whose sum is σ = 73501488. Its totient is φ = 73501486.

The previous prime is 73501471. The next prime is 73501553. The reversal of 73501487 is 78410537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73501487 - 2⁴ = 73501471 is a prime.

It is a super-2 number, since 2×73501487² = 10804937182422338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73500487) 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, 36750743 + 36750744.

It is an arithmetic number, because the mean of its divisors is an integer number (36750744).

Almost surely, 2^73501487 is an apocalyptic number.

73501487 is a deficient number, since it is larger than the sum of its proper divisors (1).

73501487 is an equidigital number, since it uses as much as digits as its factorization.

73501487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 73501487 is about 8573.3008229036. The cubic root of 73501487 is about 418.8887612609. Note that the first 3 decimals are identical.

The spelling of 73501487 in words is "seventy-three million, five hundred one thousand, four hundred eighty-seven".