73277251 has 2 divisors, whose sum is σ = 73277252. Its totient is φ = 73277250.

The previous prime is 73277231. The next prime is 73277257. The reversal of 73277251 is 15277237.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73277251 - 2⁹ = 73276739 is a prime.

It is not a weakly prime, because it can be changed into another prime (73277257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36638625 + 36638626.

It is an arithmetic number, because the mean of its divisors is an integer number (36638626).

Almost surely, 2^73277251 is an apocalyptic number.

73277251 is a deficient number, since it is larger than the sum of its proper divisors (1).

73277251 is an equidigital number, since it uses as much as digits as its factorization.

73277251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 34.

The square root of 73277251 is about 8560.2132566893. The cubic root of 73277251 is about 418.4623498334.

The spelling of 73277251 in words is "seventy-three million, two hundred seventy-seven thousand, two hundred fifty-one".