74732461 has 2 divisors, whose sum is σ = 74732462. Its totient is φ = 74732460.

The previous prime is 74732423. The next prime is 74732477. The reversal of 74732461 is 16423747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55204900 + 19527561 = 7430^2 + 4419^2 .

It is an emirp because it is prime and its reverse (16423747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74732461 - 2¹³ = 74724269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74732401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37366230 + 37366231.

It is an arithmetic number, because the mean of its divisors is an integer number (37366231).

Almost surely, 2^74732461 is an apocalyptic number.

It is an amenable number.

74732461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74732461 is an equidigital number, since it uses as much as digits as its factorization.

74732461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 74732461 is about 8644.7938668311. The cubic root of 74732461 is about 421.2142882551.

The spelling of 74732461 in words is "seventy-four million, seven hundred thirty-two thousand, four hundred sixty-one".