70272580 has 24 divisors (see below), whose sum is σ = 168654528. Its totient is φ = 24093408.

The previous prime is 70272551. The next prime is 70272581. The reversal of 70272580 is 8527207.

It is not an unprimeable number, because it can be changed into a prime (70272581) 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, 250834 + ... + 251113.

It is an arithmetic number, because the mean of its divisors is an integer number (7027272).

Almost surely, 2^70272580 is an apocalyptic number.

70272580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70272580 is an abundant number, since it is smaller than the sum of its proper divisors (98381948).

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

70272580 is a wasteful number, since it uses less digits than its factorization.

70272580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501963 (or 501961 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70272580 is about 8382.8742087663. The cubic root of 70272580 is about 412.6627799552.

Adding to 70272580 its reverse (8527207), we get a palindrome (78799787).

The spelling of 70272580 in words is "seventy million, two hundred seventy-two thousand, five hundred eighty".