70260450 has 96 divisors (see below), whose sum is σ = 189737856. Its totient is φ = 17103360.

The previous prime is 70260431. The next prime is 70260479. The reversal of 70260450 is 5406207.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70260450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267019 + ... + 267281.

It is an arithmetic number, because the mean of its divisors is an integer number (1976436).

Almost surely, 2^70260450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70260450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94868928).

70260450 is an abundant number, since it is smaller than the sum of its proper divisors (119477406).

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

70260450 is a wasteful number, since it uses less digits than its factorization.

70260450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70260450 is about 8382.1506786743. The cubic root of 70260450 is about 412.6390348588.

Adding to 70260450 its reverse (5406207), we get a palindrome (75666657).

The spelling of 70260450 in words is "seventy million, two hundred sixty thousand, four hundred fifty".