70215396 has 12 divisors (see below), whose sum is σ = 163835952. Its totient is φ = 23405128.

The previous prime is 70215391. The next prime is 70215401. The reversal of 70215396 is 69351207.

It is an interprime number because it is at equal distance from previous prime (70215391) and next prime (70215401).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (70215391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2925630 + ... + 2925653.

It is an arithmetic number, because the mean of its divisors is an integer number (13652996).

Almost surely, 2^70215396 is an apocalyptic number.

It is an amenable number.

70215396 is an abundant number, since it is smaller than the sum of its proper divisors (93620556).

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

70215396 is a wasteful number, since it uses less digits than its factorization.

70215396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851290 (or 5851288 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 70215396 is about 8379.4627512747. The cubic root of 70215396 is about 412.5508154111.

The spelling of 70215396 in words is "seventy million, two hundred fifteen thousand, three hundred ninety-six".