70428652 has 48 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 28483200.

The previous prime is 70428643. The next prime is 70428653. The reversal of 70428652 is 25682407.

It is not an unprimeable number, because it can be changed into a prime (70428653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34599 + ... + 36577.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 2^70428652 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 70428652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).

70428652 is an abundant number, since it is smaller than the sum of its proper divisors (78594068).

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

70428652 is a wasteful number, since it uses less digits than its factorization.

70428652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 70428652 is about 8392.1780248038. The cubic root of 70428652 is about 412.9680554217.

The spelling of 70428652 in words is "seventy million, four hundred twenty-eight thousand, six hundred fifty-two".