1071493374 has 32 divisors (see below), whose sum is σ = 2593195776. Its totient is φ = 288132480.

The previous prime is 1071493373. The next prime is 1071493427. The reversal of 1071493374 is 4733941701.

It is a super-2 number, since 2×1071493374² = 2296196101051807752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071493373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749632 + ... + 751059.

It is an arithmetic number, because the mean of its divisors is an integer number (81037368).

Almost surely, 2^1071493374 is an apocalyptic number.

1071493374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1071493374 is an abundant number, since it is smaller than the sum of its proper divisors (1521702402).

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

1071493374 is a wasteful number, since it uses less digits than its factorization.

1071493374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500720.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 1071493374 is about 32733.6733960611. The cubic root of 1071493374 is about 1023.2847375009.

The spelling of 1071493374 in words is "one billion, seventy-one million, four hundred ninety-three thousand, three hundred seventy-four".