70241987 has 8 divisors (see below), whose sum is σ = 72068304. Its totient is φ = 68439168.

The previous prime is 70241971. The next prime is 70242041. The reversal of 70241987 is 78914207.

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 70241987 - 2⁴ = 70241971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70241987.

It is not an unprimeable number, because it can be changed into a prime (70241387) 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, 263 + ... + 11855.

It is an arithmetic number, because the mean of its divisors is an integer number (9008538).

Almost surely, 2^70241987 is an apocalyptic number.

70241987 is a deficient number, since it is larger than the sum of its proper divisors (1826317).

70241987 is a wasteful number, since it uses less digits than its factorization.

70241987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11749.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 70241987 is about 8381.0492779842. The cubic root of 70241987 is about 412.6028873442.

The spelling of 70241987 in words is "seventy million, two hundred forty-one thousand, nine hundred eighty-seven".