70227290 has 48 divisors (see below), whose sum is σ = 147891744. Its totient is φ = 23940000.

The previous prime is 70227281. The next prime is 70227293. The reversal of 70227290 is 9272207.

It is not an unprimeable number, because it can be changed into a prime (70227293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122705 + ... + 123275.

It is an arithmetic number, because the mean of its divisors is an integer number (3081078).

Almost surely, 2^70227290 is an apocalyptic number.

70227290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70227290 is an abundant number, since it is smaller than the sum of its proper divisors (77664454).

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

70227290 is a wasteful number, since it uses less digits than its factorization.

70227290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 70227290 is about 8380.1724325935. The cubic root of 70227290 is about 412.5741085094.

Adding to 70227290 its reverse (9272207), we get a palindrome (79499497).

The spelling of 70227290 in words is "seventy million, two hundred twenty-seven thousand, two hundred ninety".