70243472 has 40 divisors (see below), whose sum is σ = 152948544. Its totient is φ = 31008384.

The previous prime is 70243463. The next prime is 70243477. The reversal of 70243472 is 27434207.

It is a super-2 number, since 2×70243472² = 9868290717229568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70243477) 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, 2558 + ... + 12125.

Almost surely, 2^70243472 is an apocalyptic number.

It is an amenable number.

70243472 is an abundant number, since it is smaller than the sum of its proper divisors (82705072).

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

70243472 is a wasteful number, since it uses less digits than its factorization.

70243472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14727 (or 14721 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 70243472 is about 8381.1378702417. The cubic root of 70243472 is about 412.6057949640.

Adding to 70243472 its reverse (27434207), we get a palindrome (97677679).

The spelling of 70243472 in words is "seventy million, two hundred forty-three thousand, four hundred seventy-two".