70038038 has 16 divisors (see below), whose sum is σ = 120172704. Its totient is φ = 29989440.

The previous prime is 70038029. The next prime is 70038049. The reversal of 70038038 is 83083007.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70038038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28748 + ... + 31088.

It is an arithmetic number, because the mean of its divisors is an integer number (7510794).

Almost surely, 2^70038038 is an apocalyptic number.

70038038 is a deficient number, since it is larger than the sum of its proper divisors (50134666).

70038038 is a wasteful number, since it uses less digits than its factorization.

70038038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 70038038 is about 8368.8731619018. The cubic root of 70038038 is about 412.2031666777.

The spelling of 70038038 in words is "seventy million, thirty-eight thousand, thirty-eight".