70474950 has 144 divisors (see below), whose sum is σ = 233172576. Its totient is φ = 14860800.

The previous prime is 70474927. The next prime is 70474951. The reversal of 70474950 is 5947407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70474951) 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 71 ways as a sum of consecutive naturals, for example, 40090 + ... + 41810.

It is an arithmetic number, because the mean of its divisors is an integer number (1619254).

Almost surely, 2^70474950 is an apocalyptic number.

70474950 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70474950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116586288).

70474950 is an abundant number, since it is smaller than the sum of its proper divisors (162697626).

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

70474950 is a wasteful number, since it uses less digits than its factorization.

70474950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70474950 is about 8394.9359735498. The cubic root of 70474950 is about 413.0585271565.

The spelling of 70474950 in words is "seventy million, four hundred seventy-four thousand, nine hundred fifty".