70840365 has 16 divisors (see below), whose sum is σ = 113781888. Its totient is φ = 37635776.

The previous prime is 70840349. The next prime is 70840387. The reversal of 70840365 is 56304807.

It is a cyclic number.

It is not a de Polignac number, because 70840365 - 2⁴ = 70840349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5034 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (7111368).

Almost surely, 2^70840365 is an apocalyptic number.

It is an amenable number.

70840365 is a deficient number, since it is larger than the sum of its proper divisors (42941523).

70840365 is a wasteful number, since it uses less digits than its factorization.

70840365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18228.

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

The square root of 70840365 is about 8416.6718481832. The cubic root of 70840365 is about 413.7712042996.

The spelling of 70840365 in words is "seventy million, eight hundred forty thousand, three hundred sixty-five".