312745050 has 240 divisors, whose sum is σ = 933368832. Its totient is φ = 77500800.

The previous prime is 312745033. The next prime is 312745061. The reversal of 312745050 is 50547213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5900824 + ... + 5900876.

Almost surely, 2^312745050 is an apocalyptic number.

312745050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312745050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466684416).

312745050 is an abundant number, since it is smaller than the sum of its proper divisors (620623782).

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

312745050 is a wasteful number, since it uses less digits than its factorization.

312745050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 312745050 is about 17684.5992321002. The cubic root of 312745050 is about 678.7817359478.

The spelling of 312745050 in words is "three hundred twelve million, seven hundred forty-five thousand, fifty".