70668045 has 72 divisors (see below), whose sum is σ = 147891744. Its totient is φ = 32278176.

The previous prime is 70668019. The next prime is 70668071. The reversal of 70668045 is 54086607.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70668019) and next prime (70668071).

It is not a de Polignac number, because 70668045 - 2¹⁶ = 70602509 is a prime.

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 71 ways as a sum of consecutive naturals, for example, 58942 + ... + 60128.

It is an arithmetic number, because the mean of its divisors is an integer number (2054052).

Almost surely, 2^70668045 is an apocalyptic number.

It is an amenable number.

70668045 is an abundant number, since it is smaller than the sum of its proper divisors (77223699).

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

70668045 is a wasteful number, since it uses less digits than its factorization.

70668045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1202 counting only the distinct ones).

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

The square root of 70668045 is about 8406.4287899202. The cubic root of 70668045 is about 413.4354308286.

The spelling of 70668045 in words is "seventy million, six hundred sixty-eight thousand, forty-five".