70870464 has 294 divisors, whose sum is σ = 253191264. Its totient is φ = 19595520.

The previous prime is 70870453. The next prime is 70870483. The reversal of 70870464 is 46407807.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (294).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 41 ways as a sum of consecutive naturals, for example, 2286129 + ... + 2286159.

Almost surely, 2^70870464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70870464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126595632).

70870464 is an abundant number, since it is smaller than the sum of its proper divisors (182320800).

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

70870464 is an equidigital number, since it uses as much as digits as its factorization.

70870464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70870464 is about 8418.4597165990. The cubic root of 70870464 is about 413.8297977115.

The spelling of 70870464 in words is "seventy million, eight hundred seventy thousand, four hundred sixty-four".