40070706 has 16 divisors (see below), whose sum is σ = 86306304. Its totient is φ = 12329424.

The previous prime is 40070633. The next prime is 40070707. The reversal of 40070706 is 60707004.

40070706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40070706² = 3211322958676872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40070707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256786 + ... + 256941.

It is an arithmetic number, because the mean of its divisors is an integer number (5394144).

Almost surely, 2^40070706 is an apocalyptic number.

40070706 is an abundant number, since it is smaller than the sum of its proper divisors (46235598).

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

40070706 is a wasteful number, since it uses less digits than its factorization.

40070706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513745.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 40070706 is about 6330.1426524210. The cubic root of 40070706 is about 342.1965799847.

The spelling of 40070706 in words is "forty million, seventy thousand, seven hundred six".