70668252 has 36 divisors (see below), whose sum is σ = 189143136. Its totient is φ = 22170240.

The previous prime is 70668233. The next prime is 70668271. The reversal of 70668252 is 25286607.

It is an interprime number because it is at equal distance from previous prime (70668233) and next prime (70668271).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57124 + ... + 58347.

It is an arithmetic number, because the mean of its divisors is an integer number (5253976).

Almost surely, 2^70668252 is an apocalyptic number.

It is an amenable number.

70668252 is an abundant number, since it is smaller than the sum of its proper divisors (118474884).

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

70668252 is a wasteful number, since it uses less digits than its factorization.

70668252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115498 (or 115493 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 70668252 is about 8406.4411019170. The cubic root of 70668252 is about 413.4358345050.

Subtracting from 70668252 its sum of digits (36), we obtain a triangular number (70668216 = T₁₁₈₈₈).

The spelling of 70668252 in words is "seventy million, six hundred sixty-eight thousand, two hundred fifty-two".