730142431770 has 128 divisors (see below), whose sum is σ = 1921524498432. Its totient is φ = 176761267200.

The previous prime is 730142431763. The next prime is 730142431831. The reversal of 730142431770 is 77134241037.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4778455 + ... + 4928885.

It is an arithmetic number, because the mean of its divisors is an integer number (15011910144).

Almost surely, 2^730142431770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730142431770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960762249216).

730142431770 is an abundant number, since it is smaller than the sum of its proper divisors (1191382066662).

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

730142431770 is a wasteful number, since it uses less digits than its factorization.

730142431770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150796.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 730142431770 in words is "seven hundred thirty billion, one hundred forty-two million, four hundred thirty-one thousand, seven hundred seventy".