70894151 has 2 divisors, whose sum is σ = 70894152. Its totient is φ = 70894150.

The previous prime is 70894147. The next prime is 70894157. The reversal of 70894151 is 15149807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70894151 - 2² = 70894147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70894157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35447075 + 35447076.

It is an arithmetic number, because the mean of its divisors is an integer number (35447076).

Almost surely, 2^70894151 is an apocalyptic number.

70894151 is a deficient number, since it is larger than the sum of its proper divisors (1).

70894151 is an equidigital number, since it uses as much as digits as its factorization.

70894151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 70894151 is about 8419.8664478720. The cubic root of 70894151 is about 413.8758972852.

The spelling of 70894151 in words is "seventy million, eight hundred ninety-four thousand, one hundred fifty-one".