70685534 has 4 divisors (see below), whose sum is σ = 106028304. Its totient is φ = 35342766.

The previous prime is 70685521. The next prime is 70685543. The reversal of 70685534 is 43558607.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17671382 + ... + 17671385.

It is an arithmetic number, because the mean of its divisors is an integer number (26507076).

Almost surely, 2^70685534 is an apocalyptic number.

70685534 is a deficient number, since it is larger than the sum of its proper divisors (35342770).

70685534 is a wasteful number, since it uses less digits than its factorization.

70685534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35342769.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 70685534 is about 8407.4689413640. The cubic root of 70685534 is about 413.4695338232.

The spelling of 70685534 in words is "seventy million, six hundred eighty-five thousand, five hundred thirty-four".