83474407 has 2 divisors, whose sum is σ = 83474408. Its totient is φ = 83474406.

The previous prime is 83474399. The next prime is 83474431. The reversal of 83474407 is 70447438.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83474407 - 2³ = 83474399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83474477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41737203 + 41737204.

It is an arithmetic number, because the mean of its divisors is an integer number (41737204).

Almost surely, 2^83474407 is an apocalyptic number.

83474407 is a deficient number, since it is larger than the sum of its proper divisors (1).

83474407 is an equidigital number, since it uses as much as digits as its factorization.

83474407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 83474407 is about 9136.4329472721. The cubic root of 83474407 is about 437.0365718109.

The spelling of 83474407 in words is "eighty-three million, four hundred seventy-four thousand, four hundred seven".