1047342745 has 8 divisors (see below), whose sum is σ = 1287465480. Its totient is φ = 817438080.

The previous prime is 1047342691. The next prime is 1047342799. The reversal of 1047342745 is 5472437401.

It is an interprime number because it is at equal distance from previous prime (1047342691) and next prime (1047342799).

It can be written as a sum of positive squares in 4 ways, for example, as 77580864 + 969761881 = 8808^2 + 31141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1047342745 - 2¹⁹ = 1046818457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554290 + ... + 2554699.

It is an arithmetic number, because the mean of its divisors is an integer number (160933185).

Almost surely, 2^1047342745 is an apocalyptic number.

It is an amenable number.

1047342745 is a deficient number, since it is larger than the sum of its proper divisors (240122735).

1047342745 is an equidigital number, since it uses as much as digits as its factorization.

1047342745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109035.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 1047342745 is about 32362.6751829944. The cubic root of 1047342745 is about 1015.5382279729.

The spelling of 1047342745 in words is "one billion, forty-seven million, three hundred forty-two thousand, seven hundred forty-five".