1047706730 has 48 divisors (see below), whose sum is σ = 2215175040. Its totient is φ = 355709088.

The previous prime is 1047706727. The next prime is 1047706747. The reversal of 1047706730 is 376077401.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40091 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (46149480).

Almost surely, 2^1047706730 is an apocalyptic number.

1047706730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1047706730 is an abundant number, since it is smaller than the sum of its proper divisors (1167468310).

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

1047706730 is a wasteful number, since it uses less digits than its factorization.

1047706730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20883 (or 20876 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 1047706730 is about 32368.2982252697. The cubic root of 1047706730 is about 1015.6558583192.

The spelling of 1047706730 in words is "one billion, forty-seven million, seven hundred six thousand, seven hundred thirty".