1074747731 has 4 divisors (see below), whose sum is σ = 1097614752. Its totient is φ = 1051880712.

The previous prime is 1074747721. The next prime is 1074747757. The reversal of 1074747731 is 1377474701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1074747731 - 2²⁶ = 1007638867 is a prime.

It is a super-2 number, since 2×1074747731² = 2310165370579296722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074747721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11433440 + ... + 11433533.

It is an arithmetic number, because the mean of its divisors is an integer number (274403688).

Almost surely, 2^1074747731 is an apocalyptic number.

1074747731 is a deficient number, since it is larger than the sum of its proper divisors (22867021).

1074747731 is an equidigital number, since it uses as much as digits as its factorization.

1074747731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22867020.

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 1074747731 is about 32783.3453296030. The cubic root of 1074747731 is about 1024.3196694197.

The spelling of 1074747731 in words is "one billion, seventy-four million, seven hundred forty-seven thousand, seven hundred thirty-one".