70421032 has 48 divisors (see below), whose sum is σ = 151492320. Its totient is φ = 30608160.

The previous prime is 70421003. The next prime is 70421033. The reversal of 70421032 is 23012407.

It is not an unprimeable number, because it can be changed into a prime (70421033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20683 + ... + 23845.

It is an arithmetic number, because the mean of its divisors is an integer number (3156090).

Almost surely, 2^70421032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70421032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75746160).

70421032 is an abundant number, since it is smaller than the sum of its proper divisors (81071288).

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

70421032 is a wasteful number, since it uses less digits than its factorization.

70421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214 (or 3199 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70421032 is about 8391.7240183409. The cubic root of 70421032 is about 412.9531612464.

Adding to 70421032 its reverse (23012407), we get a palindrome (93433439).

It can be divided in two parts, 704 and 21032, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 70421032 in words is "seventy million, four hundred twenty-one thousand, thirty-two".