70220276 has 36 divisors (see below), whose sum is σ = 148242528. Its totient is φ = 28506384.

The previous prime is 70220263. The next prime is 70220279. The reversal of 70220276 is 67202207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70220279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6635 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (4117848).

Almost surely, 2^70220276 is an apocalyptic number.

70220276 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70220276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74121264).

70220276 is an abundant number, since it is smaller than the sum of its proper divisors (78022252).

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

70220276 is a wasteful number, since it uses less digits than its factorization.

70220276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70220276 is about 8379.7539343348. The cubic root of 70220276 is about 412.5603726756.

The spelling of 70220276 in words is "seventy million, two hundred twenty thousand, two hundred seventy-six".