69750730 has 32 divisors (see below), whose sum is σ = 146830464. Its totient is φ = 23357376.

The previous prime is 69750721. The next prime is 69750739. The reversal of 69750730 is 3705796.

It is an interprime number because it is at equal distance from previous prime (69750721) and next prime (69750739).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 69750730.

It is not an unprimeable number, because it can be changed into a prime (69750739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8577 + ... + 14596.

It is an arithmetic number, because the mean of its divisors is an integer number (4588452).

Almost surely, 2^69750730 is an apocalyptic number.

69750730 is an abundant number, since it is smaller than the sum of its proper divisors (77079734).

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

69750730 is a wasteful number, since it uses less digits than its factorization.

69750730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23230.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 69750730 is about 8351.6902480875. The cubic root of 69750730 is about 411.6387515879.

The spelling of 69750730 in words is "sixty-nine million, seven hundred fifty thousand, seven hundred thirty".