70471950 has 96 divisors (see below), whose sum is σ = 186892800. Its totient is φ = 17521920.

The previous prime is 70471903. The next prime is 70471957. The reversal of 70471950 is 5917407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70471957) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 224994 + ... + 225306.

It is an arithmetic number, because the mean of its divisors is an integer number (1946800).

Almost surely, 2^70471950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70471950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93446400).

70471950 is an abundant number, since it is smaller than the sum of its proper divisors (116420850).

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

70471950 is a wasteful number, since it uses less digits than its factorization.

70471950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 70471950 is about 8394.7572925011. The cubic root of 70471950 is about 413.0526660046.

The spelling of 70471950 in words is "seventy million, four hundred seventy-one thousand, nine hundred fifty".