70446472 has 16 divisors (see below), whose sum is σ = 134326800. Its totient is φ = 34626000.

The previous prime is 70446443. The next prime is 70446473. The reversal of 70446472 is 27464407.

It is not an unprimeable number, because it can be changed into a prime (70446473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74154 + ... + 75097.

It is an arithmetic number, because the mean of its divisors is an integer number (8395425).

Almost surely, 2^70446472 is an apocalyptic number.

It is an amenable number.

70446472 is a deficient number, since it is larger than the sum of its proper divisors (63880328).

70446472 is a wasteful number, since it uses less digits than its factorization.

70446472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149316 (or 149312 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 70446472 is about 8393.2396605840. The cubic root of 70446472 is about 413.0028824888.

The spelling of 70446472 in words is "seventy million, four hundred forty-six thousand, four hundred seventy-two".