40070083 has 4 divisors (see below), whose sum is σ = 41451840. Its totient is φ = 38688328.

The previous prime is 40070077. The next prime is 40070099. The reversal of 40070083 is 38007004.

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

It is a cyclic number.

It is not a de Polignac number, because 40070083 - 2⁹ = 40069571 is a prime.

It is a super-2 number, since 2×40070083² = 3211223103253778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40070053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690835 + ... + 690892.

It is an arithmetic number, because the mean of its divisors is an integer number (10362960).

Almost surely, 2^40070083 is an apocalyptic number.

40070083 is a deficient number, since it is larger than the sum of its proper divisors (1381757).

40070083 is a wasteful number, since it uses less digits than its factorization.

40070083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381756.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40070083 is about 6330.0934432281. The cubic root of 40070083 is about 342.1948065397.

Adding to 40070083 its reverse (38007004), we get a palindrome (78077087).

The spelling of 40070083 in words is "forty million, seventy thousand, eighty-three".