70207488 has 144 divisors (see below), whose sum is σ = 219115260. Its totient is φ = 21528576.

The previous prime is 70207471. The next prime is 70207499. The reversal of 70207488 is 88470207.

It can be written as a sum of positive squares in 2 ways, for example, as 69755904 + 451584 = 8352^2 + 672^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239470 + ... + 239762.

Almost surely, 2^70207488 is an apocalyptic number.

70207488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70207488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109557630).

70207488 is an abundant number, since it is smaller than the sum of its proper divisors (148907772).

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

70207488 is a wasteful number, since it uses less digits than its factorization.

70207488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 70207488 is about 8378.9908700272. The cubic root of 70207488 is about 412.5353270020.

The spelling of 70207488 in words is "seventy million, two hundred seven thousand, four hundred eighty-eight".