70370003 has 4 divisors (see below), whose sum is σ = 76767288. Its totient is φ = 63972720.

The previous prime is 70369991. The next prime is 70370009. The reversal of 70370003 is 30007307.

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 70370003 - 2¹⁶ = 70304467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70370009) 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, 3198626 + ... + 3198647.

It is an arithmetic number, because the mean of its divisors is an integer number (19191822).

Almost surely, 2^70370003 is an apocalyptic number.

70370003 is a deficient number, since it is larger than the sum of its proper divisors (6397285).

70370003 is a wasteful number, since it uses less digits than its factorization.

70370003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397284.

The product of its (nonzero) digits is 441, while the sum is 20.

The square root of 70370003 is about 8388.6830313226. The cubic root of 70370003 is about 412.8533914369.

It can be divided in two parts, 70 and 370003, that added together give a palindrome (370073).

The spelling of 70370003 in words is "seventy million, three hundred seventy thousand, three".