70405050 has 24 divisors (see below), whose sum is σ = 174604896. Its totient is φ = 18774640.

The previous prime is 70405039. The next prime is 70405057. The reversal of 70405050 is 5050407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70405057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234534 + ... + 234833.

It is an arithmetic number, because the mean of its divisors is an integer number (7275204).

Almost surely, 2^70405050 is an apocalyptic number.

70405050 is an abundant number, since it is smaller than the sum of its proper divisors (104199846).

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

70405050 is a wasteful number, since it uses less digits than its factorization.

70405050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469382 (or 469377 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 70405050 is about 8390.7717165944. The cubic root of 70405050 is about 412.9219190802.

Adding to 70405050 its reverse (5050407), we get a palindrome (75455457).

It can be divided in two parts, 7040 and 5050, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 70405050 in words is "seventy million, four hundred five thousand, fifty".