70450464 has 96 divisors (see below), whose sum is σ = 216590976. Its totient is φ = 19630080.

The previous prime is 70450463. The next prime is 70450477. The reversal of 70450464 is 46405407.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (70450463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26274 + ... + 28830.

It is an arithmetic number, because the mean of its divisors is an integer number (2256156).

Almost surely, 2^70450464 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 70450464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108295488).

70450464 is an abundant number, since it is smaller than the sum of its proper divisors (146140512).

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

70450464 is a wasteful number, since it uses less digits than its factorization.

70450464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 70450464 is about 8393.4774676531. The cubic root of 70450464 is about 413.0106835720.

The spelling of 70450464 in words is "seventy million, four hundred fifty thousand, four hundred sixty-four".