70274157 has 8 divisors (see below), whose sum is σ = 94241184. Its totient is φ = 46578288.

The previous prime is 70274143. The next prime is 70274173. The reversal of 70274157 is 75147207.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70274157 - 2¹¹ = 70272109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70270157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67183 + ... + 68220.

It is an arithmetic number, because the mean of its divisors is an integer number (11780148).

Almost surely, 2^70274157 is an apocalyptic number.

It is an amenable number.

70274157 is a deficient number, since it is larger than the sum of its proper divisors (23967027).

70274157 is a wasteful number, since it uses less digits than its factorization.

70274157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135579.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 70274157 is about 8382.9682690560. The cubic root of 70274157 is about 412.6658668128.

The spelling of 70274157 in words is "seventy million, two hundred seventy-four thousand, one hundred fifty-seven".