70481687 has 12 divisors (see below), whose sum is σ = 74731800. Its totient is φ = 66434592.

The previous prime is 70481651. The next prime is 70481699. The reversal of 70481687 is 78618407.

It is a de Polignac number, because none of the positive numbers 2^k-70481687 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70481627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35189 + ... + 37137.

It is an arithmetic number, because the mean of its divisors is an integer number (6227650).

Almost surely, 2^70481687 is an apocalyptic number.

70481687 is a deficient number, since it is larger than the sum of its proper divisors (4250113).

70481687 is a wasteful number, since it uses less digits than its factorization.

70481687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2021 counting only the distinct ones).

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

The square root of 70481687 is about 8395.3372177656. The cubic root of 70481687 is about 413.0716887439.

The spelling of 70481687 in words is "seventy million, four hundred eighty-one thousand, six hundred eighty-seven".