70449750 has 240 divisors, whose sum is σ = 232401312. Its totient is φ = 15876000.

The previous prime is 70449707. The next prime is 70449779. The reversal of 70449750 is 5794407.

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 119 ways as a sum of consecutive naturals, for example, 992215 + ... + 992285.

Almost surely, 2^70449750 is an apocalyptic number.

70449750 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 70449750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116200656).

70449750 is an abundant number, since it is smaller than the sum of its proper divisors (161951562).

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

70449750 is a wasteful number, since it uses less digits than its factorization.

70449750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 88 counting only the distinct ones).

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

The square root of 70449750 is about 8393.4349345188. The cubic root of 70449750 is about 413.0092883097.

The spelling of 70449750 in words is "seventy million, four hundred forty-nine thousand, seven hundred fifty".