70029312 has 104 divisors (see below), whose sum is σ = 192652320. Its totient is φ = 22609920.

The previous prime is 70029301. The next prime is 70029317. The reversal of 70029312 is 21392007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (70029317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503739 + ... + 503877.

Almost surely, 2^70029312 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 70029312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96326160).

70029312 is an abundant number, since it is smaller than the sum of its proper divisors (122623008).

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

70029312 is a wasteful number, since it uses less digits than its factorization.

70029312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70029312 is about 8368.3518090482. The cubic root of 70029312 is about 412.1860472460.

The spelling of 70029312 in words is "seventy million, twenty-nine thousand, three hundred twelve".