70644452 has 24 divisors (see below), whose sum is σ = 131453280. Its totient is φ = 33104000.

The previous prime is 70644347. The next prime is 70644467. The reversal of 70644452 is 25444607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14999 + ... + 19137.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^70644452 is an apocalyptic number.

It is an amenable number.

70644452 is a deficient number, since it is larger than the sum of its proper divisors (60808828).

70644452 is a wasteful number, since it uses less digits than its factorization.

70644452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4409 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 70644452 is about 8405.0254015083. The cubic root of 70644452 is about 413.3894163119.

The spelling of 70644452 in words is "seventy million, six hundred forty-four thousand, four hundred fifty-two".