70212153 has 8 divisors (see below), whose sum is σ = 102126816. Its totient is φ = 42552800.

The previous prime is 70212139. The next prime is 70212167. The reversal of 70212153 is 35121207.

It is an interprime number because it is at equal distance from previous prime (70212139) and next prime (70212167).

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

It is a cyclic number.

It is not a de Polignac number, because 70212153 - 2⁴ = 70212137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70212133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063788 + ... + 1063853.

It is an arithmetic number, because the mean of its divisors is an integer number (12765852).

Almost surely, 2^70212153 is an apocalyptic number.

It is an amenable number.

70212153 is a deficient number, since it is larger than the sum of its proper divisors (31914663).

70212153 is a wasteful number, since it uses less digits than its factorization.

70212153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127655.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70212153 is about 8379.2692402142. The cubic root of 70212153 is about 412.5444638939.

The spelling of 70212153 in words is "seventy million, two hundred twelve thousand, one hundred fifty-three".