70840536 has 32 divisors (see below), whose sum is σ = 190725360. Its totient is φ = 21796992.

The previous prime is 70840501. The next prime is 70840541. The reversal of 70840536 is 63504807.

It is a junction number, because it is equal to n+sod(n) for n = 70840497 and 70840506.

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, 113215 + ... + 113838.

Almost surely, 2^70840536 is an apocalyptic number.

It is an amenable number.

70840536 is an abundant number, since it is smaller than the sum of its proper divisors (119884824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70840536 is a wasteful number, since it uses less digits than its factorization.

70840536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227075 (or 227071 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70840536 is about 8416.6820065867. The cubic root of 70840536 is about 413.7715372304.

The spelling of 70840536 in words is "seventy million, eight hundred forty thousand, five hundred thirty-six".