70227540 has 48 divisors (see below), whose sum is σ = 218487360. Its totient is φ = 18727200.

The previous prime is 70227503. The next prime is 70227559. The reversal of 70227540 is 4572207.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64486 + ... + 65565.

It is an arithmetic number, because the mean of its divisors is an integer number (4551820).

Almost surely, 2^70227540 is an apocalyptic number.

It is an amenable number.

70227540 is an abundant number, since it is smaller than the sum of its proper divisors (148259820).

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

70227540 is a wasteful number, since it uses less digits than its factorization.

70227540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130069 (or 130061 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 70227540 is about 8380.1873487411. The cubic root of 70227540 is about 412.5745980788.

Adding to 70227540 its reverse (4572207), we get a palindrome (74799747).

The spelling of 70227540 in words is "seventy million, two hundred twenty-seven thousand, five hundred forty".