70022750 has 32 divisors (see below), whose sum is σ = 149812416. Its totient is φ = 24007200.

The previous prime is 70022749. The next prime is 70022753. The reversal of 70022750 is 5722007.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70022753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18257 + ... + 21756.

It is an arithmetic number, because the mean of its divisors is an integer number (4681638).

Almost surely, 2^70022750 is an apocalyptic number.

70022750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70022750 is an abundant number, since it is smaller than the sum of its proper divisors (79789666).

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

70022750 is a wasteful number, since it uses less digits than its factorization.

70022750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40037 (or 40027 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 70022750 is about 8367.9597274366. The cubic root of 70022750 is about 412.1731724024.

Adding to 70022750 its reverse (5722007), we get a palindrome (75744757).

The spelling of 70022750 in words is "seventy million, twenty-two thousand, seven hundred fifty".