73987379 has 2 divisors, whose sum is σ = 73987380. Its totient is φ = 73987378.

The previous prime is 73987369. The next prime is 73987393. The reversal of 73987379 is 97378937.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97378937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73987379 - 2¹⁶ = 73921843 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73987379.

It is not a weakly prime, because it can be changed into another prime (73987369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36993689 + 36993690.

It is an arithmetic number, because the mean of its divisors is an integer number (36993690).

Almost surely, 2^73987379 is an apocalyptic number.

73987379 is a deficient number, since it is larger than the sum of its proper divisors (1).

73987379 is an equidigital number, since it uses as much as digits as its factorization.

73987379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 73987379 is about 8601.5916550369. The cubic root of 73987379 is about 419.8097759137.

The spelling of 73987379 in words is "seventy-three million, nine hundred eighty-seven thousand, three hundred seventy-nine".