74857351 has 2 divisors, whose sum is σ = 74857352. Its totient is φ = 74857350.

The previous prime is 74857271. The next prime is 74857361. The reversal of 74857351 is 15375847.

It is a strong prime.

It is an emirp because it is prime and its reverse (15375847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74857351 - 2¹⁷ = 74726279 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 (74857361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37428675 + 37428676.

It is an arithmetic number, because the mean of its divisors is an integer number (37428676).

Almost surely, 2^74857351 is an apocalyptic number.

74857351 is a deficient number, since it is larger than the sum of its proper divisors (1).

74857351 is an equidigital number, since it uses as much as digits as its factorization.

74857351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 74857351 is about 8652.0142741445. The cubic root of 74857351 is about 421.4487966819.

The spelling of 74857351 in words is "seventy-four million, eight hundred fifty-seven thousand, three hundred fifty-one".