1047340740 has 48 divisors (see below), whose sum is σ = 2943501120. Its totient is φ = 278248320.

The previous prime is 1047340727. The next prime is 1047340769. The reversal of 1047340740 is 470437401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1047340698 and 1047340707.

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, 16306 + ... + 48585.

It is an arithmetic number, because the mean of its divisors is an integer number (61322940).

Almost surely, 2^1047340740 is an apocalyptic number.

1047340740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047340740 is an abundant number, since it is smaller than the sum of its proper divisors (1896160380).

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

1047340740 is a wasteful number, since it uses less digits than its factorization.

1047340740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65172 (or 65170 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 1047340740 is about 32362.6442059360. The cubic root of 1047340740 is about 1015.5375799343.

The spelling of 1047340740 in words is "one billion, forty-seven million, three hundred forty thousand, seven hundred forty".