1047739740 has 48 divisors (see below), whose sum is σ = 2942433312. Its totient is φ = 278562816.

The previous prime is 1047739739. The next prime is 1047739741. The reversal of 1047739740 is 479377401.

It is an interprime number because it is at equal distance from previous prime (1047739739) and next prime (1047739741).

It is a junction number, because it is equal to n+sod(n) for n = 1047739692 and 1047739701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047739741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5689 + ... + 46128.

It is an arithmetic number, because the mean of its divisors is an integer number (61300694).

Almost surely, 2^1047739740 is an apocalyptic number.

1047739740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047739740 is an abundant number, since it is smaller than the sum of its proper divisors (1894693572).

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

1047739740 is a wasteful number, since it uses less digits than its factorization.

1047739740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52166 (or 52164 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 1047739740 is about 32368.8081337574. The cubic root of 1047739740 is about 1015.6665249326. Note that the first 3 decimals are identical.

The spelling of 1047739740 in words is "one billion, forty-seven million, seven hundred thirty-nine thousand, seven hundred forty".