70037073 has 6 divisors (see below), whose sum is σ = 101164674. Its totient is φ = 46691376.

The previous prime is 70037063. The next prime is 70037081. The reversal of 70037073 is 37073007.

It can be written as a sum of positive squares in only one way, i.e., 59166864 + 10870209 = 7692^2 + 3297^2 .

It is not a de Polignac number, because 70037073 - 2⁴ = 70037057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70037053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890940 + ... + 3890957.

It is an arithmetic number, because the mean of its divisors is an integer number (16860779).

Almost surely, 2^70037073 is an apocalyptic number.

It is an amenable number.

70037073 is a deficient number, since it is larger than the sum of its proper divisors (31127601).

70037073 is a wasteful number, since it uses less digits than its factorization.

70037073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781903 (or 7781900 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 27.

The square root of 70037073 is about 8368.8155075853. The cubic root of 70037073 is about 412.2012735260.

It can be divided in two parts, 700 and 37073, that added together give a palindrome (37773).

The spelling of 70037073 in words is "seventy million, thirty-seven thousand, seventy-three".