1402747047 has 24 divisors (see below), whose sum is σ = 2186808624. Its totient is φ = 861346944.

The previous prime is 1402747019. The next prime is 1402747079. The reversal of 1402747047 is 7407472041.

1402747047 is a `hidden beast` number, since 140 + 2 + 7 + 470 + 47 = 666.

1402747047 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1402747047 - 2¹⁵ = 1402714279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402747547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41803 + ... + 67475.

It is an arithmetic number, because the mean of its divisors is an integer number (91117026).

Almost surely, 2^1402747047 is an apocalyptic number.

1402747047 is a deficient number, since it is larger than the sum of its proper divisors (784061577).

1402747047 is a wasteful number, since it uses less digits than its factorization.

1402747047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26159 (or 26156 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 1402747047 is about 37453.2648376613. The cubic root of 1402747047 is about 1119.4201523929.

The spelling of 1402747047 in words is "one billion, four hundred two million, seven hundred forty-seven thousand, forty-seven".