70900732 has 24 divisors (see below), whose sum is σ = 145636064. Its totient is φ = 29564352.

The previous prime is 70900717. The next prime is 70900733. The reversal of 70900732 is 23700907.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 70900732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70900733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33183 + ... + 35254.

Almost surely, 2^70900732 is an apocalyptic number.

It is an amenable number.

70900732 is an abundant number, since it is smaller than the sum of its proper divisors (74735332).

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

70900732 is a wasteful number, since it uses less digits than its factorization.

70900732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68485 (or 68483 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 70900732 is about 8420.2572407261. The cubic root of 70900732 is about 413.8887033863. Note that the first 3 decimals are identical.

The spelling of 70900732 in words is "seventy million, nine hundred thousand, seven hundred thirty-two".