70874357 has 2 divisors, whose sum is σ = 70874358. Its totient is φ = 70874356.

The previous prime is 70874341. The next prime is 70874371. The reversal of 70874357 is 75347807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 78961 = 8414^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 70874357 - 2⁴ = 70874341 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 (70874387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35437178 + 35437179.

It is an arithmetic number, because the mean of its divisors is an integer number (35437179).

Almost surely, 2^70874357 is an apocalyptic number.

It is an amenable number.

70874357 is a deficient number, since it is larger than the sum of its proper divisors (1).

70874357 is an equidigital number, since it uses as much as digits as its factorization.

70874357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 70874357 is about 8418.6909314929. The cubic root of 70874357 is about 413.8373749626.

The spelling of 70874357 in words is "seventy million, eight hundred seventy-four thousand, three hundred fifty-seven".