70030361 has 8 divisors (see below), whose sum is σ = 74272104. Its totient is φ = 65802240.

The previous prime is 70030319. The next prime is 70030391. The reversal of 70030361 is 16303007.

It can be written as a sum of positive squares in 4 ways, for example, as 3705625 + 66324736 = 1925^2 + 8144^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70030361 - 2⁶ = 70030297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70030391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8381 + ... + 14501.

It is an arithmetic number, because the mean of its divisors is an integer number (9284013).

Almost surely, 2^70030361 is an apocalyptic number.

It is an amenable number.

70030361 is a deficient number, since it is larger than the sum of its proper divisors (4241743).

70030361 is a wasteful number, since it uses less digits than its factorization.

70030361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 70030361 is about 8368.4144854327. The cubic root of 70030361 is about 412.1881053414.

Adding to 70030361 its reverse (16303007), we get a palindrome (86333368).

The spelling of 70030361 in words is "seventy million, thirty thousand, three hundred sixty-one".