70272732 has 24 divisors (see below), whose sum is σ = 166659472. Its totient is φ = 23040000.

The previous prime is 70272703. The next prime is 70272737. The reversal of 70272732 is 23727207.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70272732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70272737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47269 + ... + 48732.

Almost surely, 2^70272732 is an apocalyptic number.

It is an amenable number.

70272732 is an abundant number, since it is smaller than the sum of its proper divisors (96386740).

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

70272732 is a wasteful number, since it uses less digits than its factorization.

70272732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96069 (or 96067 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 70272732 is about 8382.8832748643. The cubic root of 70272732 is about 412.6630774857.

Adding to 70272732 its reverse (23727207), we get a palindrome (93999939).

The spelling of 70272732 in words is "seventy million, two hundred seventy-two thousand, seven hundred thirty-two".