1047023730 has 24 divisors (see below), whose sum is σ = 2722261932. Its totient is φ = 279206304.

The previous prime is 1047023711. The next prime is 1047023741. The reversal of 1047023730 is 373207401.

It can be written as a sum of positive squares in 2 ways, for example, as 973252809 + 73770921 = 31197^2 + 8589^2 .

It is a super-2 number, since 2×1047023730² = 2192517382366225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1047023694 and 1047023703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5816709 + ... + 5816888.

Almost surely, 2^1047023730 is an apocalyptic number.

1047023730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1047023730 is an abundant number, since it is smaller than the sum of its proper divisors (1675238202).

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

1047023730 is a wasteful number, since it uses less digits than its factorization.

1047023730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11633610 (or 11633607 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 1047023730 is about 32357.7460587106. The cubic root of 1047023730 is about 1015.4351083309.

The spelling of 1047023730 in words is "one billion, forty-seven million, twenty-three thousand, seven hundred thirty".