1729606730 has 32 divisors (see below), whose sum is σ = 3196247040. Its totient is φ = 673482880.

The previous prime is 1729606691. The next prime is 1729606757. The reversal of 1729606730 is 376069271.

It is a super-2 number, since 2×1729606730² = 5983078880922585800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191987 + ... + 200793.

It is an arithmetic number, because the mean of its divisors is an integer number (99882720).

Almost surely, 2^1729606730 is an apocalyptic number.

1729606730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1729606730 is a deficient number, since it is larger than the sum of its proper divisors (1466640310).

1729606730 is a wasteful number, since it uses less digits than its factorization.

1729606730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 1729606730 is about 41588.5408496139. The cubic root of 1729606730 is about 1200.3718130247.

The spelling of 1729606730 in words is "one billion, seven hundred twenty-nine million, six hundred six thousand, seven hundred thirty".