70441920 has 224 divisors, whose sum is σ = 257495040. Its totient is φ = 18109440.

The previous prime is 70441913. The next prime is 70441927. The reversal of 70441920 is 2914407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70441913) and next prime (70441927).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70441927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267709 + ... + 267971.

Almost surely, 2^70441920 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 70441920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128747520).

70441920 is an abundant number, since it is smaller than the sum of its proper divisors (187053120).

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

70441920 is a wasteful number, since it uses less digits than its factorization.

70441920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70441920 is about 8392.9684855836. The cubic root of 70441920 is about 412.9939867057.

It can be divided in two parts, 704 and 41920, that added together give a palindrome (42624).

The spelling of 70441920 in words is "seventy million, four hundred forty-one thousand, nine hundred twenty".