1074434781 has 32 divisors (see below), whose sum is σ = 1752652800. Its totient is φ = 571777920.

The previous prime is 1074434761. The next prime is 1074434831. The reversal of 1074434781 is 1874344701.

It is not a de Polignac number, because 1074434781 - 2⁷ = 1074434653 is a prime.

It is a super-2 number, since 2×1074434781² = 2308820197245035922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074434761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721 + ... + 46361.

It is an arithmetic number, because the mean of its divisors is an integer number (54770400).

Almost surely, 2^1074434781 is an apocalyptic number.

It is an amenable number.

1074434781 is a deficient number, since it is larger than the sum of its proper divisors (678218019).

1074434781 is a wasteful number, since it uses less digits than its factorization.

1074434781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45729.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 1074434781 is about 32778.5719792672. The cubic root of 1074434781 is about 1024.2202377265.

The spelling of 1074434781 in words is "one billion, seventy-four million, four hundred thirty-four thousand, seven hundred eighty-one".