70301090 has 32 divisors (see below), whose sum is σ = 129225024. Its totient is φ = 27529920.

The previous prime is 70301081. The next prime is 70301093. The reversal of 70301090 is 9010307.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70301093) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 212225 + ... + 212555.

It is an arithmetic number, because the mean of its divisors is an integer number (4038282).

Almost surely, 2^70301090 is an apocalyptic number.

70301090 is a deficient number, since it is larger than the sum of its proper divisors (58923934).

70301090 is a wasteful number, since it uses less digits than its factorization.

70301090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 70301090 is about 8384.5745270705. The cubic root of 70301090 is about 412.7185789841.

Adding to 70301090 its reverse (9010307), we get a palindrome (79311397).

The spelling of 70301090 in words is "seventy million, three hundred one thousand, ninety".