70501650 has 48 divisors (see below), whose sum is σ = 179583744. Its totient is φ = 18290880.

The previous prime is 70501643. The next prime is 70501679. The reversal of 70501650 is 5610507.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70501650.

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 23 ways as a sum of consecutive naturals, for example, 802 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (3741328).

Almost surely, 2^70501650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70501650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89791872).

70501650 is an abundant number, since it is smaller than the sum of its proper divisors (109082094).

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

70501650 is a wasteful number, since it uses less digits than its factorization.

70501650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755 (or 12750 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 70501650 is about 8396.5260673686. The cubic root of 70501650 is about 413.1106840823.

The spelling of 70501650 in words is "seventy million, five hundred one thousand, six hundred fifty".