422737730 has 32 divisors (see below), whose sum is σ = 780772608. Its totient is φ = 164707200.

The previous prime is 422737717. The next prime is 422737739. The reversal of 422737730 is 37737224.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422737739) 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, 184190 + ... + 186470.

It is an arithmetic number, because the mean of its divisors is an integer number (24399144).

Almost surely, 2^422737730 is an apocalyptic number.

422737730 is a deficient number, since it is larger than the sum of its proper divisors (358034878).

422737730 is a wasteful number, since it uses less digits than its factorization.

422737730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 422737730 is about 20560.5868106920. The cubic root of 422737730 is about 750.5108993043.

The spelling of 422737730 in words is "four hundred twenty-two million, seven hundred thirty-seven thousand, seven hundred thirty".