70030260 has 36 divisors (see below), whose sum is σ = 212425668. Its totient is φ = 18674688.

The previous prime is 70030253. The next prime is 70030283. The reversal of 70030260 is 6203007.

It can be written as a sum of positive squares in 2 ways, for example, as 20412324 + 49617936 = 4518^2 + 7044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194349 + ... + 194708.

It is an arithmetic number, because the mean of its divisors is an integer number (5900713).

Almost surely, 2^70030260 is an apocalyptic number.

It is an amenable number.

70030260 is an abundant number, since it is smaller than the sum of its proper divisors (142395408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70030260 is a wasteful number, since it uses less digits than its factorization.

70030260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389072 (or 389067 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 70030260 is about 8368.4084508346. The cubic root of 70030260 is about 412.1879071844.

Adding to 70030260 its reverse (6203007), we get a palindrome (76233267).

The spelling of 70030260 in words is "seventy million, thirty thousand, two hundred sixty".