70070472 has 96 divisors (see below), whose sum is σ = 195686400. Its totient is φ = 22643712.

The previous prime is 70070471. The next prime is 70070479. The reversal of 70070472 is 27407007.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70070471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551673 + ... + 551799.

It is an arithmetic number, because the mean of its divisors is an integer number (2038400).

Almost surely, 2^70070472 is an apocalyptic number.

70070472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70070472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97843200).

70070472 is an abundant number, since it is smaller than the sum of its proper divisors (125615928).

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

70070472 is a wasteful number, since it uses less digits than its factorization.

70070472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 70070472 is about 8370.8107134256. The cubic root of 70070472 is about 412.2667860797.

Adding to 70070472 its reverse (27407007), we get a palindrome (97477479).

The spelling of 70070472 in words is "seventy million, seventy thousand, four hundred seventy-two".