70618487 has 8 divisors (see below), whose sum is σ = 75257856. Its totient is φ = 66109912.

The previous prime is 70618463. The next prime is 70618489. The reversal of 70618487 is 78481607.

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

It is not a de Polignac number, because 70618487 - 2⁶ = 70618423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70618489) 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, 31583 + ... + 33744.

It is an arithmetic number, because the mean of its divisors is an integer number (9407232).

Almost surely, 2^70618487 is an apocalyptic number.

70618487 is a deficient number, since it is larger than the sum of its proper divisors (4639369).

70618487 is a wasteful number, since it uses less digits than its factorization.

70618487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65397.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 70618487 is about 8403.4806479220. The cubic root of 70618487 is about 413.3387637308.

The spelling of 70618487 in words is "seventy million, six hundred eighteen thousand, four hundred eighty-seven".