70023432 has 16 divisors (see below), whose sum is σ = 175058640. Its totient is φ = 23341136.

The previous prime is 70023409. The next prime is 70023433. The reversal of 70023432 is 23432007.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70023399 and 70023408.

It is not an unprimeable number, because it can be changed into a prime (70023433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458798 + ... + 1458845.

It is an arithmetic number, because the mean of its divisors is an integer number (10941165).

Almost surely, 2^70023432 is an apocalyptic number.

It is an amenable number.

70023432 is an abundant number, since it is smaller than the sum of its proper divisors (105035208).

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

70023432 is a wasteful number, since it uses less digits than its factorization.

70023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917652 (or 2917648 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 70023432 is about 8368.0004780115. Note that the first 3 decimals coincide. The cubic root of 70023432 is about 412.1745105446.

Adding to 70023432 its reverse (23432007), we get a palindrome (93455439).

The spelling of 70023432 in words is "seventy million, twenty-three thousand, four hundred thirty-two".