70026157 has 2 divisors, whose sum is σ = 70026158. Its totient is φ = 70026156.

The previous prime is 70026137. The next prime is 70026221. The reversal of 70026157 is 75162007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69705801 + 320356 = 8349^2 + 566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70026157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70026107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35013078 + 35013079.

It is an arithmetic number, because the mean of its divisors is an integer number (35013079).

Almost surely, 2^70026157 is an apocalyptic number.

It is an amenable number.

70026157 is a deficient number, since it is larger than the sum of its proper divisors (1).

70026157 is an equidigital number, since it uses as much as digits as its factorization.

70026157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70026157 is about 8368.1632990758. The cubic root of 70026157 is about 412.1798571404.

The spelling of 70026157 in words is "seventy million, twenty-six thousand, one hundred fifty-seven".