69750000 has 210 divisors, whose sum is σ = 251871776. Its totient is φ = 18000000.

The previous prime is 69749993. The next prime is 69750001. The reversal of 69750000 is 5796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69750001) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 2249985 + ... + 2250015.

Almost surely, 2^69750000 is an apocalyptic number.

69750000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125935888).

69750000 is an abundant number, since it is smaller than the sum of its proper divisors (182121776).

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

69750000 is an equidigital number, since it uses as much as digits as its factorization.

69750000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 69750000 is about 8351.6465442450. The cubic root of 69750000 is about 411.6373155345.

Adding to 69750000 its reverse (5796), we get a palindrome (69755796).

The spelling of 69750000 in words is "sixty-nine million, seven hundred fifty thousand".