70437150 has 144 divisors (see below), whose sum is σ = 220521600. Its totient is φ = 15785280.

The previous prime is 70437149. The next prime is 70437187. The reversal of 70437150 is 5173407.

It is a super-2 number, since 2×70437150² = 9922784200245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 185661 + ... + 186039.

It is an arithmetic number, because the mean of its divisors is an integer number (1531400).

Almost surely, 2^70437150 is an apocalyptic number.

70437150 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 70437150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110260800).

70437150 is an abundant number, since it is smaller than the sum of its proper divisors (150084450).

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

70437150 is a wasteful number, since it uses less digits than its factorization.

70437150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70437150 is about 8392.6843143300. The cubic root of 70437150 is about 412.9846644830.

The spelling of 70437150 in words is "seventy million, four hundred thirty-seven thousand, one hundred fifty".