70001432 has 32 divisors (see below), whose sum is σ = 135036720. Its totient is φ = 33999360.

The previous prime is 70001431. The next prime is 70001479. The reversal of 70001432 is 23410007.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70001432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70001431) 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, 149663 + ... + 150129.

Almost surely, 2^70001432 is an apocalyptic number.

It is an amenable number.

70001432 is a deficient number, since it is larger than the sum of its proper divisors (65035288).

70001432 is a wasteful number, since it uses less digits than its factorization.

70001432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 70001432 is about 8366.6858432715. The cubic root of 70001432 is about 412.1313402858.

Adding to 70001432 its reverse (23410007), we get a palindrome (93411439).

The spelling of 70001432 in words is "seventy million, one thousand, four hundred thirty-two".