70502406 has 48 divisors (see below), whose sum is σ = 159376896. Its totient is φ = 20743008.

The previous prime is 70502357. The next prime is 70502423. The reversal of 70502406 is 60420507.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21811 + ... + 24833.

It is an arithmetic number, because the mean of its divisors is an integer number (3320352).

Almost surely, 2^70502406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70502406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79688448).

70502406 is an abundant number, since it is smaller than the sum of its proper divisors (88874490).

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

70502406 is a wasteful number, since it uses less digits than its factorization.

70502406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3064 counting only the distinct ones).

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

The square root of 70502406 is about 8396.5710858659. The cubic root of 70502406 is about 413.1121606934.

The spelling of 70502406 in words is "seventy million, five hundred two thousand, four hundred six".