70272070 has 32 divisors (see below), whose sum is σ = 145255680. Its totient is φ = 24207840.

The previous prime is 70272053. The next prime is 70272091. The reversal of 70272070 is 7027207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14722 + ... + 18901.

It is an arithmetic number, because the mean of its divisors is an integer number (4539240).

Almost surely, 2^70272070 is an apocalyptic number.

70272070 is an abundant number, since it is smaller than the sum of its proper divisors (74983610).

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

70272070 is a wasteful number, since it uses less digits than its factorization.

70272070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 70272070 is about 8382.8437895502. The cubic root of 70272070 is about 412.6617816591.

Adding to 70272070 its reverse (7027207), we get a palindrome (77299277).

The spelling of 70272070 in words is "seventy million, two hundred seventy-two thousand, seventy".