70840535 has 8 divisors (see below), whose sum is σ = 85182000. Its totient is φ = 56556864.

The previous prime is 70840501. The next prime is 70840541. The reversal of 70840535 is 53504807.

It is a happy number.

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 70840535 - 2¹² = 70836439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11702 + ... + 16691.

It is an arithmetic number, because the mean of its divisors is an integer number (10647750).

Almost surely, 2^70840535 is an apocalyptic number.

70840535 is a deficient number, since it is larger than the sum of its proper divisors (14341465).

70840535 is a wasteful number, since it uses less digits than its factorization.

70840535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28897.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 70840535 is about 8416.6819471808. The cubic root of 70840535 is about 413.7715352835.

The spelling of 70840535 in words is "seventy million, eight hundred forty thousand, five hundred thirty-five".