70152520 has 32 divisors (see below), whose sum is σ = 158109120. Its totient is φ = 28013760.

The previous prime is 70152497. The next prime is 70152539. The reversal of 70152520 is 2525107.

It is a junction number, because it is equal to n+sod(n) for n = 70152491 and 70152500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31855 + ... + 33985.

It is an arithmetic number, because the mean of its divisors is an integer number (4940910).

Almost surely, 2^70152520 is an apocalyptic number.

It is an amenable number.

70152520 is an abundant number, since it is smaller than the sum of its proper divisors (87956600).

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

70152520 is a wasteful number, since it uses less digits than its factorization.

70152520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2961 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70152520 is about 8375.7101191481. The cubic root of 70152520 is about 412.4276359133.

Adding to 70152520 its reverse (2525107), we get a palindrome (72677627).

The spelling of 70152520 in words is "seventy million, one hundred fifty-two thousand, five hundred twenty".