70042464 has 36 divisors (see below), whose sum is σ = 199184076. Its totient is φ = 23347392.

The previous prime is 70042463. The next prime is 70042481. The reversal of 70042464 is 46424007.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70042463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121314 + ... + 121889.

It is an arithmetic number, because the mean of its divisors is an integer number (5532891).

Almost surely, 2^70042464 is an apocalyptic number.

It is an amenable number.

70042464 is an abundant number, since it is smaller than the sum of its proper divisors (129141612).

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

70042464 is a wasteful number, since it uses less digits than its factorization.

70042464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243219 (or 243208 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 70042464 is about 8369.1375899790. The cubic root of 70042464 is about 412.2118494489.

The spelling of 70042464 in words is "seventy million, forty-two thousand, four hundred sixty-four".