70514687 has 4 divisors (see below), whose sum is σ = 70541520. Its totient is φ = 70487856.

The previous prime is 70514683. The next prime is 70514693. The reversal of 70514687 is 78641507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70514687 - 2² = 70514683 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 70514687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70514683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8987 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (17635380).

Almost surely, 2^70514687 is an apocalyptic number.

70514687 is a deficient number, since it is larger than the sum of its proper divisors (26833).

70514687 is a wasteful number, since it uses less digits than its factorization.

70514687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26832.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 70514687 is about 8397.3023644501. The cubic root of 70514687 is about 413.1361463329.

The spelling of 70514687 in words is "seventy million, five hundred fourteen thousand, six hundred eighty-seven".