70344460 has 36 divisors (see below), whose sum is σ = 155923488. Its totient is φ = 26654112.

The previous prime is 70344433. The next prime is 70344493. The reversal of 70344460 is 6444307.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2349 + ... + 12091.

It is an arithmetic number, because the mean of its divisors is an integer number (4331208).

Almost surely, 2^70344460 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 70344460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77961744).

70344460 is an abundant number, since it is smaller than the sum of its proper divisors (85579028).

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

70344460 is a wasteful number, since it uses less digits than its factorization.

70344460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790 (or 9769 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70344460 is about 8387.1604253168. The cubic root of 70344460 is about 412.8034326953.

Adding to 70344460 its reverse (6444307), we get a palindrome (76788767).

The spelling of 70344460 in words is "seventy million, three hundred forty-four thousand, four hundred sixty".