70157214 has 48 divisors (see below), whose sum is σ = 155750400. Its totient is φ = 22817808.

The previous prime is 70157203. The next prime is 70157221. The reversal of 70157214 is 41275107.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146227 + ... + 146705.

It is an arithmetic number, because the mean of its divisors is an integer number (3244800).

Almost surely, 2^70157214 is an apocalyptic number.

70157214 is an abundant number, since it is smaller than the sum of its proper divisors (85593186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70157214 is a wasteful number, since it uses less digits than its factorization.

70157214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 70157214 is about 8375.9903295073. The cubic root of 70157214 is about 412.4368344052.

The spelling of 70157214 in words is "seventy million, one hundred fifty-seven thousand, two hundred fourteen".