70298550 has 192 divisors, whose sum is σ = 227842560. Its totient is φ = 15603840.

The previous prime is 70298549. The next prime is 70298551. The reversal of 70298550 is 5589207.

It is an interprime number because it is at equal distance from previous prime (70298549) and next prime (70298551).

It is a super-2 number, since 2×70298550² = 9883772264205000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70298551) 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 95 ways as a sum of consecutive naturals, for example, 406264 + ... + 406436.

It is an arithmetic number, because the mean of its divisors is an integer number (1186680).

Almost surely, 2^70298550 is an apocalyptic number.

70298550 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 70298550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113921280).

70298550 is an abundant number, since it is smaller than the sum of its proper divisors (157544010).

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

70298550 is a wasteful number, since it uses less digits than its factorization.

70298550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 70298550 is about 8384.4230570744. The cubic root of 70298550 is about 412.7136083745.

The spelling of 70298550 in words is "seventy million, two hundred ninety-eight thousand, five hundred fifty".