70072072 has 16 divisors (see below), whose sum is σ = 150154560. Its totient is φ = 30030864.

The previous prime is 70072061. The next prime is 70072081. The reversal of 70072072 is 27027007.

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 3 ways as a sum of consecutive naturals, for example, 625588 + ... + 625699.

It is an arithmetic number, because the mean of its divisors is an integer number (9384660).

Almost surely, 2^70072072 is an apocalyptic number.

It is an amenable number.

70072072 is an abundant number, since it is smaller than the sum of its proper divisors (80082488).

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

70072072 is a wasteful number, since it uses less digits than its factorization.

70072072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251300 (or 1251296 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 70072072 is about 8370.9062830735. The cubic root of 70072072 is about 412.2699239770.

Adding to 70072072 its reverse (27027007), we get a palindrome (97099079).

The spelling of 70072072 in words is "seventy million, seventy-two thousand, seventy-two".